禾本科

A small creeping herb(Dichondra micrantha) commercially cultivated as a substitute for lawn grass.

一科植物属，有蔓，丛生或多年生或一年生；指状；蔓延阿利昂花。

The ryegrass rust (Puccinia coronate) may infect many grasses, particulary ryegrass.

黑麦冠锈病是由冠柄锈菌所致，除危害黑麦外还可侵染多种科牧。

Most grass embryos have a flap-like structure known as the epiblast.

大多数科有一片瓣状结构通常称为外叶。

The mature embryo is corn posed of radicle, coleorhiza, plumule, coleoptile, scutellum and epiblast.That is the typical structure of the mature embryo of grass.

成熟具有、芽、盾片、芽、、外叶等典型科植物成熟的结构。