単たん弁べん

noun which may take the genitive case particle 'no', noun

monopetalous; having a single petal

Botanical term describing a flower with a single petal or a corolla that is not divided into separate petals.

See also: 重弁

• この植しょく物ぶつは単たん弁べんの花はなをつける。

  This plant bears monopetalous flowers.

noun which may take the genitive case particle 'no', noun

univalve; having a single valve

Zoological term for a mollusk with a single shell, such as a snail or limpet.

• 単たん弁べんの貝かい類るいにはカタツムリなどが含ふくまれる。

  Univalve mollusks include snails and the like.