gametophyte

They show a heteromorphic alternation of generations, the gametophyte eging the dominant generation.

苔藓植物具有明显的世代交替象，配在世代交替中占优势。

Protonema (pl. protonemata) The young bryophyte gametophyte that develops following spore germination.

原丝：苔藓植物中直接由萌发形成的结构称为原丝。

Rhizoid A unicellular rootlike structure found in certain algae and in the gametophyte generation of the bryophytes and some ferns.

：在一些藻类、苔藓植物和裸植物配中存在的由单个细胞形成的类似的结构。

Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.

摘要樟松大母细胞经一系列变化，发育成雌配。

The results indicate that both of them have similar behaviors in spore germination and gametophyte development, i.e. having spore homospory, trilete, growing slow.

结果表明, 两者的及配性状极为相似: 同型，三裂缝，萌发慢；

Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.

摘要樟松大母细胞经一系列变化，发育成雌配。

Rhizoid A unicellular rootlike structure found in certain algae and in the gametophyte generation of the bryophytes and some ferns.

在一些藻类、苔藓植物和裸植物配中存在的由单个细胞形成的类似的结构。