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 (mŏn′ə-kā′zē-əm, -zhē-)
n. pl. mon·o·cha·si·a (-zē-ə, -zhē-ə, -zhə)
A cyme having only one lateral flower or branch originating from beneath a terminal flower, resulting in a helicoid or scorpiod inflorescence.

mon′o·cha′si·al adj.


n, pl -sia (-zɪə)
(Botany) botany a cymose inflorescence in which each branch gives rise to one other branch only, as in the forget-me-not and buttercup. Compare dichasium
[C19: mono- + -chasium as in dichasium]
ˌmonoˈchasial adj


(ˌmɒn əˈkeɪ ʒi əm, -ʒəm, -zi əm)

n., pl. -si•a (-ʒi ə, -ʒə, -zi ə)
a cymose inflorescence having a single main stem.
[1885–90; < New Latin; see mono-, dichasium]
mon`o•cha′si•al, adj.
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References in periodicals archive ?
Monochasial partial inflorescences in which the angles of successive branches are not 180[degrees] are asymmetric systems.
Flowers in a terminal mono- or dichasia or few-branched thyrsoids up to 35 cm long overall, with 1-3 monochasial branches and 5-8 pendent flowers per branch; bracts lanceolate, shallowly serrate, approximately 5-10 mm long, 2-3 mm wide; pedicels ca.
Cymes have many forms and are either dichasial or monochasial.