involucel 的定义
Botany.
- a secondary involucre, as in a compound cluster of flowers.
更多involucel例句
- When the umbellets are subtended by an involucre, this secondary involucre is called an Involucel.
- Spikelets are obovoid or lanceolate, 1- to 2-flowered, persistent on their stalks, one to three in an involucel.
- Spikelets one to three in each involucel, persistent, 1- to 2-flowered, with three or four glumes.
- Calyx with a 3-leaved involucel at the base, like an outer calyx.
- Calyx either naked or with a 3-leaved involucel at its base.