| 释义 |
microgametophyte Bot.|maɪkrəʊgæˈmiːtəʊfaɪt|
[f. micro- + gametophyte (s.v. gamete).]
A gametophyte that develops from a microspore; a male gametophyte.
1907Amer. Naturalist XLI. 360 In our material of Agathis the protoplasm is unfortunately very much shrunken..but this fortunately does not interfere with the understanding of the general conditions present in the microgametophyte. 1938G. M. Smith Cryptogamic Bot. II. v. 132 Microgametophytes of other genera also have but one vegetative cell. 1959Foster & Gifford Compar. Morphol. Vascular Plants viii. 161 Early stages in formation of the microgametophytes [in Selaginella] begin while the microspores are still within the microsporangium. |