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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 ?
Roy), the axillary bud of the prophylls generates one flower; consequently, the florescence is formed by dichasia.
Solitary flowers, Stebbins (1973, 1974) pointed out, are usually derived in primitive families; as an example, the solitary flower of Zygogynum is the exception in Winteraceae, in which all other taxa have axillary cymes or dichasia.
Inflorescence mostly cymose (usually a small dichasia or a much branched cymose panicle), rarely solitary or sessile (Theligonum).