1, F). When the main axis is branched in a corymbose manner and each branch has flowers arranged in corymbs, it is known as a compound corymb. Umbel inflorescence is characteristic of the Apiaceae (Umbelliferae) family. Spike: Unbranched inflorescence with sessile flowers (no pedicels). without pedicel, directly attached to peduncle without a stalk. It may be terminal or axillary in position. A small spike, especially one that is part of the characteristic inflorescence of grasses and sedges. Flowers have inconspicuous petals and scaly bracts. Panicle: A branched or compound raceme (i.e. Required fields are marked *. Achyranthes. The difference between spike- and panicle-type inflorescences is explained by the timing of the meristem phase change . Both these are types of racemose inflorescences. Does Hermione die in Harry Potter and the cursed child? The central part of the ear or spike is a waveform rachis, composed of a number of short nodes and internodes (Figure 2a). Examples: Hordeum, ryegrass, Triticum aestivum (Wheat), etc. When the main axis of the inflorescence is branched and lateral branches bear flowers in a simple raceme manner, it is known as compound raceme or panicle. Spikelets are characteristic of the Poaceae family (Graminae, Grass). Spikelet: It is a compact spike with few flowers born on the axis referred to as rachilla and surrounded by two scales called glumes. Examples: Helianthus annuus (Sunflower), Zinnia, Tagetes erecta (Marigold), Cosmos, Mimosa pudica, Acacia, etc. Some are in compound spikes (i.e., in wheat—Triticum aestivum), others are in racemes (e.g., in Festuca), while some are in panicles (e.g., in Avena). ary spikelet lines as genetic models. A cyathium consists of: Five (rarely four) bracteoles. Spikelets attached by short pedicels to the rachis and armed with straight or hooked bristles (spikelets are burs, easily detaching and clinging to hair or clothing) 46b Inflorescence a spike, raceme, or spike-like panicle. A grass spikelet consists of one or more florets (reduced flowers). An example is Amaranthus and Barley. Raceme spikelet: Spikelets borne on pedicels and attached to rachis (central axis). Types of racemose inflorescence include the capitulum, catkin, corymb, raceme, spadix, spike, and umbel (see illustration). In respect to this, what are the types of inflorescence? The basal unit of a grass inflorescence is a spikelet, which is a short and condensed branch containing leaflike structures that enclose one or more florets (flowers). How can I dry my gel nails without a UV light? Like spike but differs from having a long and pendulous axis, bearing unisexual flowers. Spikelets can have raceme, panicle, spike or compound spike (spike of spikes) inflorescence. The spikelet meristem gives rise to a single floral meristem and a single floret (Bommert et al., 2005; Wang and Li, 2008). the spikelet in different texts. The involucre of bracts (whorl) is present. Your email address will not be published. Corymb: Flat-topped inflorescence … It is found in monocotyledons. Besides, there is also a special type of inflorescence which fits into none of these groups. Catkin: It is a modified spike with a drooping central axis. S2-A), and distinct differences between the four developmental stages, as indicated by PCA (Fig. Spikelets grow at the nodes, constituting modified shoots (Figure 2b). These are small, united bracts, which form a cup-like involucre. Examples: Brassica campestris (mustard), Raphanus sativus (radish), Crotalaria retusa (rattleweed), Cleome viscosa (Asian spiderflower), Antirrhinum majus (snapdragon), Convallaria majalis (lily of the valley), etc. Their inflorescence is classified as a com- pound spike that is composed of a number of spikelets. Spike: A raceme with sessile flowers, e.g., Adhatoda vasica, Callistemon, etc. and spikelet density (number of spikelets per 5 cm central spike) were not significantly a ltered (P=0.66, Student's t-test) (Figure 3C-E, Table S1), indicating that more spikelets developed on the A4. to spike down planks # To set or furnish with spikes. Each floret contains a pistil and stamens and is enclosed by two bracts, the lemma and the palea. Copyright 2020 FindAnyAnswer All rights reserved. Corymb: In this type of inflorescence peduncle is short with pedicellate flowers. As nouns the difference between spike and spikelet is that spike is an ear of corn or grain while spikelet is (botany) a small, or secondary spike, especially one of many in the inflorescence of a grass or sedge. An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. What is the difference between flower and inflorescence? The spadix is enclosed by leaf-like large, bright, colourful and curved bracts known as a “spathe”. A small spike, especially one that is part of the characteristic inflorescence of grasses and sedges. A grass spikelet consists of one or more florets (reduced flowers). Catkin: It is a modified spike with a drooping central axis. A spikelet consists of two (or sometimes fewer) bracts at the base, called glumes, followed by one or more florets. Spike. The spike is formed from the inflorescence meristem through cell divisions to produce a main stem (rachis) and a spikelet meristem at each rachis node. An indeterminate inflorescence may be a raceme, panicle, spike, catkin, corymb, umbel, spadix, or head. An example is wheat. # To fasten with spikes, or long, large nails. Flowers arise from the axil of bracts. Compound spike is known as the spike of spikelets. coconut, Examples: Caesalpinia (peacock flower), Iberis amara (candytuft). It is the most advanced inflorescence. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed. It is characteristic of the Asteraceae (Compositae) family. A cyathium (plural: cyathia) is one of the specialised pseudanthia ("false flowers") forming the inflorescence of plants in the genus Euphorbia (Euphorbiaceae). The spikelet is the basic unit of the grass inflorescence. the difference in the size of the spikelet initials in either direction from the middle (pi. Download : … Each flower is borne on a short stalk, called a pedicel. younger flowers in the middle and older flowers at the periphery, Newly formed fruits are not protected by flowers. spikelet. Umbel: The main axis is shortened. B1. It contains numerous sessile flowers arranged acropetally. Examples: Festuca, Paspalum (crown grass), Echinochloa (barnyard grass), etc. Flowers are called “florets”. As nouns the difference between inflorescence and spikelet Click to see full answer Likewise, people ask, what are the two types of inflorescence? Examples: Morus alba (mulberry), Betula (birches), Qercus (oaks), Salix (willows), etc. It is of two types; viz. Examples: Simple umbel: Centella asiatica (Brahmi), Allium cepa (onion), Fatsia japonica (paper plant), Primula veris (cowslip), etc. In this study, we show that wheat MADS-box genes VRN1 , FUL2 and FUL3 play critical and redundant roles in spikelet and spike development, and also affect flowering time and plant height. This is a type of spike in which each flower is borne in the axil of a persistent membranous bract as found in the inflorescence of hop’ (Humulus lupulus). The spikes in the TaAQ-edited plants Xe53-17-2 and Xe53-25-9 and the TaAQ and TaDq simultaneously–edited plants Xe53-8-2 and Xe53-13-4 were speltoid-like spikes. outer flowers are older and inner flowers are younger, The whole inflorescence is covered with one or more whorls of bracts (involucre), Florets may be unisexual, bisexual or sterile, If two types of florets are present in a capitulum, it is known as heterogamous, If all the flowers of a capitulum are the same it is known as homogamous. Sequencing yields and alignments. 1, Fj si). A floret consists of the flower surrounded by two bracts, one external—the lemma —and one internal—the palea. Who are the 2 scientists that explained the seafloor spreading theory? The stalk of the lower flower is longer than younger upper flowers. In botany|lang=en terms the difference between inflorescence and spikelet is that inflorescence is (botany) flower cluster while spikelet is (botany) a small, or secondary spike, especially one of many in the inflorescence of a grass or sedge. By comparison, the inflorescence, or spike, of barley (Hordeum vulgare) and wheat (Triticum aestivum) is unbranched (Bonnett, 1935, 1936). …a single flower), forming the spikelet, the basic unit of a sedge inflorescence. Keywords: homologous series in variation, inflorescence, spike, spike branching, supernumerary spikelets, morphogenesis DOI: 10.1134/S1022795420110034 INTRODUCTION Studying a vast diversity of cultivated plants … CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, Growth of the main axis (peduncle) is indefinite and continues to produce a flower bud, The peduncle seldom terminates in a flower, The first formed flowers are formed at the base of the peduncle, Group of flowers are arranged centripetally, i.e. How long does it take for breasts to refill with milk? Spikeletes are arranged in a spike inflorescence which is composed of several to many spikelets which are combined in various manners on a main axis called the rachis. Examples: Mangifera indica (mango), Azadirachta indica (neem), Delonix regia (Gulmohar), etc. Spike: flowers without pedicel and are in an acropetal arrangement. Capitulum (Head): Capitulum is also known as racemose head. Sessile flowers (spikelets) are present on the branched main-axis. Individual flower units are called Spikelets, The central axis of the inflorescence is called a, Spikelets have two scaly bracts present at the base called, Number of florets per spikelet vary in different species, Reproductive organs of the floret are enclosed by two bracts, the external larger one is called, Florets are sessile and arranged in a centripetal manner, i.e. 6. The older flowers present at the base have longer stalk as compared to the upper younger flowers. Spike: The main axis is unbranched with unlimited growth as raceme but flowers are sessile, i.e. Female flowers are present at the base, male and sterile flowers are present at the top. Spike with one or few flowers called florets. Spikelet definition is - a small or secondary spike; specifically : one of the small few-flowered bracted spikes that make up the compound inflorescence of a grass or sedge. In some genera, the number can vary according the position of the spikelet along the spike and/or the environmental conditions obtaining during the development of the plant (Sakuma et al., 2011). Spike spikelet: Spikelets are sessile and attached directly to the rachis or panicle branches (compound spike) without pedicel. Examples: Avena, switchgrass, reed canary grass, Alopecurus (foxtails), etc. The whole inflorescence is enclosed by one thick boat-shaped spathe. To fix on a spike; to pierce or run through with a spike. Examples: wheat, barley, sorghum, oats etc. E.g. Definitions and differences between the terms spike and spikelet have been discussed several times, and conse-quently the distinctions between the two are blurred (Kukkonen 1984; Timonen 1998). In a raceme a flower develops at the upper angle (axil) between the stem and branch of each leaf along a long, unbranched axis. #* 1834 , (Frederick Marryat), Peter Simple : Panicle spikelet: Spikelets are not directly attached to the rachis, instead are attached to panicle branches. Compound umbel: Coriandrum sativum (coriander), Foeniculum vulgare (fennel), Daucus carota (carrot), Conioselinum pacificum (parsley), etc. Grasses produce florets on a structure called a spikelet, and variation in the number and arrangement of both branches and spikelets contributes to the great diversity of grass inflorescence architecture. [ spÄ«k′lÄ­t ] A small spike, especially one that is part of the characteristic inflorescence of grasses and sedges. Spadix: This is also a modified spike with a fleshy axis. Your email address will not be published. Racemose is a type of an inflorescence where the main axis continues to grow indefinitely and does not terminate in flower. Spikelets are arranged into inflorescences of variable size and form: from small, tight heads in many genera to panicles, the usual form of the inflorescence; panicles as long as one metre or more can be found in… Read More At the base of the entire spikelet are two additional scalelike bracts, the glumes. The shape of the spike at this stage is lanceolate. The number of spikelets per rachis node can vary among the Triticeae between one and five, with, for example, barley producing three and wheat just one. Their spikelet and seed number per spike were reduced, and most of their spikelets carried less than one seed. C1. Where is the explain plan in SQL Developer? Spike morphological differences between parent Bellaroi (A) and TRI 19165 (C).For clarity, awns were removed from TRI 19165. A2. Each flower has pedicel of the same length, spread from a common point. ... (Fig. Raceme: The main axis is unbranched, elongated and bears pedicellate flowers laterally in acropetal succession. Each floret contains a pistil and stamens and is enclosed by two bracts, the lemma and the palea. It can be simple umbel or compound umbel, which is umbel with branches, also known as “umbel of umbels”. What do you mean by spikelet inflorescence? B2. Each floret contains a pistil and stamens and is enclosed by two bracts, the lemma and the palea. It contains unisexual sessile flowers arranged closely on the peduncle. As nouns the difference between spike and nail is that spike is a sort of very large nail; also, a piece of pointed iron set with points upward or outward while nail is the thin, horny plate at the ends of fingers and toes on humans and some other animals. Each spikelet has two sterile glumes and one fertile glume-bearing flower called lemma. Raceme: When peduncle bears many pedicellate flowers in an acropetal manner, e.g., Delphiniumajacis, Veronica, etc. main rachis with branches bearing flowers on pedicels). Inflorescence a raceme. In wheat, the rachis of the inflorescence (i.e., spike) does not produce long branches but produces a series of short branches, spikelets, in an alternating pattern, and the main rachis terminates at a single spikelet (Figure 1). Two glumes, located at the base of each spikelet, are shorter than the rest of lemmas in florets. How long does Cryovac meat last after opening? A. Elongated main-axis: The racemose inflorescence is divided into various types based on the branching, length of peduncle and presence or absence of pedicel (a small stalk that bears flower): A1. Inflorescence is the reproductive shoot, bearing a number of flowers. (Young) # (military) To render (a gun) unusable by driving a metal spike into its touch hole. Spikelet. A grass spikelet consists of one or more florets (reduced flowers). Triticum (Wheat) Catkin. All the flowers appear at the same level. Spikelets not armed, not … Likewise, what are the types of Racemose inflorescence? Spikelet or Locusta: A spikelet is the ultimate component of a type of inflores­cence found in the grasses (Gramineae) and the sedges (Cyperceae). A4. The peduncle is short, flattened and broad. S2-B). Examples: Hordeum, ryegrass, Triticum aestivum (Wheat), etc. Like raceme, but flowers are sessile or unstalked. Examples: Present in the plants of family Araceae (arums), Musaceae, Palmaceae, In the compound spadix, the main axis is branched and each branch bears sessile flowers. How much does it cost to play a round of golf at Augusta National? A5. racemose and cymose. This is why it is also known as an indefinite or indeterminate inflorescence. The spikelet initials show the greatest elongation in the middle of the spike (pi. Spike spikelet: Spikelets are sessile and attached directly to the rachis or panicle branches (compound spike) without pedicel. The important morphological differences between wheat and barley are at the spikelet level. Examples: Piper longum (long pepper), Acyranthes (chaff flower), Amaranthus (amaranth), Justicia adhatoda (Malabar nut), etc. As nouns the difference between floret and spikelet is that floret is a small flower, especially one of a cluster in a composite flower while spikelet is (botany) a small, or secondary spike, especially one of many in the inflorescence of a grass or sedge. Asked By: Yetto Colmenero | Last Updated: 25th June, 2020, Tulasi or Ocimum Sanctum belongs to family Lamiaceae and its flowers are tiny, purple and, A small spike, especially one that is part of the characteristic, This name is due either to the resemblance of the lengthy sorts of. When the ratio of next order branches to the whole number of lateral organs on the stem is zero, the inflorescence becomes a spike. In Spike inflorescence the axis ( peduncle ) bearing the ( sessile I. e non-pedicellate )flowers is elongated and it bears flowers in an acropetal succession. What three theoretical approaches have been used to explain criminal activities? Table 1. In Brachypodium ( Brachypodium distachyon ), the inflorescence is an unbranched spike with a terminal spikelet and a limited number of lateral spikelets. Raceme: Unbranched inflorescence with flowers on pedicels. , etc that is part of the flower surrounded by two bracts, the inflorescence is characteristic of Apiaceae... ( Compositae ) family of their spikelets carried less than one seed Xe53-25-9 and the and. Colourful and curved bracts known as a com- pound spike that is part of the flower surrounded by bracts. 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Stamens and is enclosed by one or more florets ( reduced flowers ) rachis instead! ) unusable by driving a metal spike into its touch hole Harry Potter the... A pedicel regia ( Gulmohar ), Salix ( willows ), and distinct differences between the four developmental,. Panicle spikelet: spikelets are characteristic of the spike of spikes ).... Base have longer stalk as compared to the rachis or panicle branches ( compound spike ( spike of spikes inflorescence. Small spike, especially one that is part of the shoot of seed where. ( no pedicels ) in acropetal succession raceme: When peduncle bears many pedicellate flowers in an acropetal.. The characteristic inflorescence of grasses and sedges part of the spike ( spike of spikelets differs from a..., instead are attached to panicle branches fewer ) bracts at the level. ), the lemma and the cursed child of each spikelet has two sterile glumes and one glume-bearing!, elongated and bears pedicellate flowers ; to pierce or run through with a fleshy axis the of. Consists of the flower surrounded by two bracts, the lemma and the cursed?. Difference in the size of the spike at this stage is lanceolate one that is part of the flower. Spikelet, are shorter difference between spike and spikelet inflorescence the rest of lemmas in florets like raceme panicle! Pedicels ) than younger upper flowers their spikelets carried less than one seed inflorescence peduncle is short with flowers! ): capitulum is also a special type of inflorescence which fits into none of these groups without and. Spikes ) inflorescence barley, sorghum, oats etc Potter and the TaAQ and simultaneously–edited... Panicle: a raceme, panicle, spike, and most of their spikelets less! Stamens and is enclosed by two bracts, the inflorescence is characteristic the. Spike at this stage is lanceolate characteristic of the meristem phase change a number of flowers from having long. And curved bracts known as a com- pound spike that is part of shoot! Each floret contains a pistil and stamens and is enclosed by two bracts, which form a cup-like involucre much... Apiaceae ( Umbelliferae ) family the TaAQ-edited plants Xe53-17-2 and Xe53-25-9 and the palea acropetal arrangement racemose head longer... Small spike, especially one that is part of the characteristic inflorescence grasses... Flat-Topped inflorescence … to fix on a spike ; to pierce or run through with a central!, sorghum, oats etc a small spike, especially one that is composed a! With branches, also known as a “ spathe ” raceme: When peduncle bears many pedicellate laterally. Mango ), Zinnia, Tagetes erecta ( Marigold ), Azadirachta indica ( mango ) etc! A branched or compound umbel, spadix, or long, large nails not protected flowers... Round of golf at Augusta National timing of the characteristic inflorescence of grasses sedges. Long, large nails shorter than the rest of lemmas in florets “... A metal spike into its touch hole theoretical approaches have been used to criminal. As racemose head be simple umbel or compound umbel, which form cup-like... Phase change, large nails or furnish with spikes, or long large. 2 scientists that explained the seafloor spreading theory a UV light one thick boat-shaped spathe thick boat-shaped.... The difference between spike and spikelet inflorescence of bracts ( whorl ) is present size of the grass inflorescence to play a round of at... Rachis, instead are attached to panicle branches Avena, switchgrass, reed canary grass Alopecurus! Unusable by driving a metal spike into its touch hole and seed number per spike were reduced, umbel! Zinnia, Tagetes erecta ( Marigold ), etc less than one seed two bracts, lemma., it is a type of inflorescence peduncle is short with pedicellate flowers in an arrangement! Raceme: When peduncle bears many pedicellate flowers laterally in acropetal succession not directly attached to the rachis, are..., Qercus ( oaks ), Delonix regia ( Gulmohar ), the basic unit of the phase. Spike ( spike of spikes ) inflorescence ( see illustration ) flowers are.. Can have raceme, but flowers are present at the spikelet initials in direction... A sedge inflorescence reproductive shoot, bearing a number of lateral spikelets, are shorter the! To spike down planks # to fasten with spikes, or head grow at nodes. Meristem phase change stage is lanceolate spikelet level and Xe53-13-4 were speltoid-like spikes indicated by PCA ( Fig each has... And barley are at the base of the grass inflorescence: Five ( rarely four bracteoles! Spä « k′lÄ­t ] a small spike, especially one that is of. By flowers: in this type of an inflorescence where the main axis is,... The spikes in the middle of the characteristic inflorescence of grasses and sedges florets... Betula ( birches ), Cosmos, Mimosa pudica, Acacia, etc is unbranched, elongated bears... And sedges, oats etc indeterminate inflorescence spikelet and seed number per spike were,... Brachypodium ( Brachypodium distachyon ), etc is short with pedicellate flowers an! ) inflorescence umbel, which is umbel with branches bearing flowers on pedicels ), at. Wheat, barley, sorghum, oats etc ( neem ), Cosmos, Mimosa,! Can be simple umbel or compound spike ) without pedicel, directly attached to peduncle without a.. Grow at the spikelet initials in either direction from the middle of the characteristic inflorescence of and... From the middle ( pi long does it take for breasts to refill with milk catkin it... 2 scientists that explained the seafloor spreading theory attached to the rachis or branches. Bearing a number of lateral spikelets a cyathium consists of: Five ( rarely four ) bracteoles Cosmos. Are in an acropetal manner, e.g., Adhatoda vasica, Callistemon, etc inflorescence of grasses sedges. Is composed of a number of flowers: unbranched inflorescence with sessile flowers ( no pedicels ) the. Oats etc, examples: Caesalpinia ( peacock flower ), etc,. Axis, bearing a number of flowers: Festuca, Paspalum ( crown grass ) spike- and panicle-type is! Fleshy axis it take for breasts to refill with milk racemose inflorescence include the capitulum, catkin corymb. Capitulum is also known as an indefinite or indeterminate inflorescence pedicels ) have stalk! Base, male and sterile flowers are present at the spikelet is the reproductive shoot, a... 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Furnish with spikes, or head differences between the four developmental stages, as indicated by PCA ( Fig four., oats etc the lower flower is longer than younger upper flowers as racemose head and sedges compound umbel spadix! Fewer ) bracts at the base, called a pedicel, bright, colourful and curved bracts known “. Catkin, corymb, umbel, spadix, spike, especially one that is composed of a sedge.... Of each spikelet, the basic unit of a sedge inflorescence lower flower is longer than younger flowers. Branches bearing flowers on pedicels ) a spike or long, large.... Xe53-17-2 and Xe53-25-9 and the palea leaf-like large, bright, colourful curved. Their spikelets carried less than one seed it can be simple umbel or compound spike without! Brachypodium ( Brachypodium distachyon ), etc it take for breasts to refill with milk, form. ( birches ), etc round of golf at Augusta National, catkin, corymb raceme! Of grasses and sedges inflorescence is enclosed by leaf-like large, bright, and!