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Related to dichasia: dichasium, Racemes


 (dī-kā′zē-əm, -zhē-əm, -zhəm)
n. pl. di·cha·si·a (-zē-ə, -zhē-ə, -zhə)
A cyme having two lateral flowers or branches originating from opposite points beneath a terminal flower.

[New Latin, from Greek dikhasis, division, from dikhazein, to divide in two, from dikha, in two; see dwo- in Indo-European roots.]

di·cha′si·al (-zē-əl, -zhē-əl, -zhəl) adj.


n, pl -sia (-zɪə)
(Botany) a cymose inflorescence in which each branch bearing a flower gives rise to two other flowering branches, as in the stitchwort. Compare monochasium
[C19: New Latin, from Greek dikhasis a dividing, from dikhazein to divide in two, from dikha in two]
diˈchasial adj
diˈchasially adv


(daɪˈkeɪ ʒəm, -ʒi əm, -zi əm)

n., pl. -si•a (-ʒi ə, -zi ə)
Bot. a form of cyme in which each stem produces a pair of side stems.
[1870–75; < New Latin < Greek díchas(is) a division, derivative of dicházein to cleave (derivative of dícha apart)]
di•cha′sial, adj.
References in periodicals archive ?
Flowers are imperfect, in compound dichasia packed into inflorescences.
1 a, b), 2-forked dichasia to 1 x 1 cm, axillary to the distal most leaves, flowers with calyx, corolla and androecium pentamerous or tetramerous (Figs.
Nasa sanagoranensis has terminal mono- or dichasia or few-branched thyrsoids with 5-8 pendent flowers as typical for N.
Inflorescences frondose, terminal, mono- or asymmetrical dichasia, rarely thyrsoids; with 3-7 flowers, with internodes 4-9 cm long; pedicels 3-15 (-50) mm long during anthesis.
This simple inflorescence is a common unit that when repeated produces other more complex branching patterns called both compound cymes and compound dichasia (see Figure 9-11).