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Related to dimerous: Obdiplostemonous


1. Consisting of two parts or segments, as the tarsus in certain insects.
2. Botany Having flower parts, such as petals, sepals, and stamens, in sets of two.

dim′er·y n.


1. (Zoology) consisting of or divided into two segments, as the tarsi of some insects
2. (Botany) (of flowers) having their floral parts arranged in whorls of two
[C19: from New Latin dimerus, from Greek dimerēs, from di-1 + meros part]
ˈdimerism n


(ˈdɪm ər əs)

1. consisting of or divided into two parts.
2. (of flowers) having two members in each whorl.
[1820–30; < New Latin dimerus < Greek dimerḗs bipartite. See di-1, -merous]
dim′er•ism, n.
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References in periodicals archive ?
and Kyllingiella polyphylla (A.Rich.) Lye, which can have both trimerous and dorsiventrally flattened dimerous pistils within a single spikelet (Haines & Lye, 1983; Larridon et al., 2011b).