period of angiosperms
被子植物时代
On extant primitive angiosperms and their phytogeography
现存被子植物原始类群及其植物地理学研究
Heterostyly has been reported in31 families of angiosperms.
据报道，在被子植物得约31个科中有异型花柱植物。
Programmed Cell Death During Sexual Reproduction in Angiosperms
被子植物有性生殖过程中的细胞程序死亡
Molecular and Cellular Mechanism of Fertilization in Angiosperms
被子植物受精作用的分子和细胞生物学机制
Fossil plants of the Wuyun Formation are dominated by angiosperms.
乌云组的植物化石组成和孢粉组合均以被子植物为主。
Filament 1.The stalk of the stamen bearing the anther in angiosperms.
花丝1。被子植物中, 雄蕊支撑花药的柄。
Endosperm The nutritive tissue that surrounds the embryo in angiosperms.
胚乳指包在被子植物胚外方的营养组织。
The male gametophytes of conifers and angiosperms are the POLLEN grains.
松柏类植物以及被子植物的雄配子体即花粉粒。
Abstract Fossil plants of the Wuyun Formation are dominated by angiosperms.
摘要乌云组的植物化石组成和孢粉组合均以被子植物为主。
Sperm cell plays a very important role in double fertilization of angiosperms.
精细胞在被子植物双受精过程中占有非常重要的地位。
In angiosperms it gives rise directly to the two male gametes or generative nuclei.
被子植物的生殖细胞直接形成两个雄配子或一个雄原核。
In angiosperms there are 475 species of monocotyledon and 567 species of dicotyledon.
被子植物中单子叶植物475种，双子叶植物567种。
Family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms.
双子叶开花植物科认为原始的现存的被子植物。
A bibliography of Formosan forest botany, Part I. Selected works on taxonomy of angiosperms up to 1971.
台湾森林植物研究文献要录被子植物分类之部。
In vitro Fertilization as a Technique Platform Used in the Research of Sexual Reproduction of Angiosperms
离体受精作为技术平台在被子植物有性生殖研究中的应用
Likewise, certain angiosperms, for example, some Eucalyptus species, will present few seed harvesting problems.
同样某些阔叶树种，例如一些桉树类，采种的问题不多。
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