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Panicle

A panicle is a much-branched inflorescence.[1] Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are often racemes. A panicle may have determinate or indeterminate growth.

Diagram of a panicle

This type of inflorescence is largely characteristic of grasses such as oat and crabgrass,[a] as well as other plants such as pistachio and mamoncillo. Botanists use the term paniculate in two ways: "having a true panicle inflorescence"[b] as well as "having an inflorescence with the form but not necessarily the structure of a panicle".

Corymb

A corymb may have a paniculate branching structure, with the lower flowers having longer pedicels than the upper, thus giving a flattish top superficially resembling an umbel. Many species in the subfamily Amygdaloideae, such as hawthorns and rowans, produce their flowers in corymbs.

 
Sorbus glabrescens corymb with fruit

See also

  • Thyrse, a branched inflorescence where the main axis has indeterminate growth, and the branches have determinate growth

Notes

  1. ^ Technically, the inflorescence unit in a grass is the spikelet, but the arrangement of spikelets may be described as a panicle.
  2. ^ "In the form of a panicle"[1]

References

  1. ^ a b Hickey, M.; King, C. (2001). The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press. p. 30. ISBN 978-0521790802. A much-branched inflorescence. (softcover ISBN 978-0521794015).

panicle, panicle, much, branched, inflorescence, some, authors, distinguish, from, compound, spike, inflorescence, requiring, that, flowers, fruit, pedicellate, having, single, stem, flower, branches, panicle, often, racemes, panicle, have, determinate, indete. A panicle is a much branched inflorescence 1 Some authors distinguish it from a compound spike inflorescence by requiring that the flowers and fruit be pedicellate having a single stem per flower The branches of a panicle are often racemes A panicle may have determinate or indeterminate growth Diagram of a panicle This type of inflorescence is largely characteristic of grasses such as oat and crabgrass a as well as other plants such as pistachio and mamoncillo Botanists use the term paniculate in two ways having a true panicle inflorescence b as well as having an inflorescence with the form but not necessarily the structure of a panicle Contents 1 Corymb 2 See also 3 Notes 4 ReferencesCorymb EditA corymb may have a paniculate branching structure with the lower flowers having longer pedicels than the upper thus giving a flattish top superficially resembling an umbel Many species in the subfamily Amygdaloideae such as hawthorns and rowans produce their flowers in corymbs Sorbus glabrescens corymb with fruitSee also EditThyrse a branched inflorescence where the main axis has indeterminate growth and the branches have determinate growthNotes Edit Technically the inflorescence unit in a grass is the spikelet but the arrangement of spikelets may be described as a panicle In the form of a panicle 1 References Edit a b Hickey M King C 2001 The Cambridge Illustrated Glossary of Botanical Terms Cambridge University Press p 30 ISBN 978 0521790802 A much branched inflorescence softcover ISBN 978 0521794015 Retrieved from https en wikipedia org w index php title Panicle amp oldid 1007526127, wikipedia, wiki, book, books, library,

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