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Glossary of Botanical Terms:

A B C D-E F-H I-L M-O P Q-R S T-U V-Z

head (capitulum): a dense cluster of more or less sessile flowers, e.g. in Asteraceae a group of florets sessile on a common receptacle. Fig. 17 O & P.



Fig. 17. Inflorescence Types. (circle – flower bud; arrow – vegetative bud). A, panicle; B, thyrsoid; C, thyrse; D, dichasium; E, monochasium; F, triad; G, panicle-like; H, raceme; I, spike; J, umbel; K, corymb; L, solitary on a scape; M, solitary in axils of leaves; N, spikelet; O, head with expanded receptacle (in L.S.), as in many Asteraceae; P, head with small receptacle (in L.S.); Q, spadix; R, cyathium (in L.S.).
A B C D-E F-H I-L M-O P Q-R S T-U V-Z
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