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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 ?
Lye, which can have both trimerous and dorsiventrally flattened dimerous pistils within a single spikelet (Haines & Lye, 1983; Larridon et al.
The inflorescences of Panke are compound spikes with many small, dimerous and wind pollinated flowers and the fruits are drupes, which are fleshy and brightly colored in some species while greenish and dry in others.
The most common cases are pentamerous flowers with a dimerous gynoecium (e.