Pyxidium

[pik'sidiәm]

(noun.) fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released.

整理:玛丽--From WordNet

(n.) A pod which divides circularly into an upper and lower half, of which the former acts as a kind of lid, as in the pimpernel and purslane.

(n.) The theca of mosses.

欧内斯廷编辑

n. (bot.) a pod or seed-vessel which opens in two halves the upper one resembling a lid.

整理:玛丽