The apical cell and basal cell act as the ancestor cells of frond and rhizoid.
两个细胞分别成为叶片和假根
祖细胞。
The apical cell and basal cell act as the ancestor cells of frond and rhizoid.
两个细胞分别成为叶片和假根祖细胞。
Stem with much reduced leaf blades that function as rhizoids below ground, with or without tubers or rhizomes.
面，起假根作用茎具非常退化叶片，有或没有块茎或根状茎。
The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.
研
无菌条件不同浓度砷对蜈蚣草孢子萌
、假根和原叶体生长
影响。
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