Noun:

1. (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization

APOTAn.遥测天线的自动定位apon.远地点(最高点；椭圆与其长半轴之交点)adj.远离的；分开的apodemata sejugales分颈基片apophysial fracture骨突折断apoplectic glaucoma出血性青光眼apothecaries system[医] 药衡制(英制)Apolygopsis elegansn.秀异丽盲蝽apo-decarboxylases脱辅基羧化酶apocarpous gynaecium(拉gynaecium apocarpum)离心皮雌蕊群, 离心皮雌蕊Apocheima cinerarius春尺蠖apostolic nunciature教廷大使馆Apocynum in Xinjiang罗布麻

1. Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.
   在许多蕨类植物中常见的无融合生殖包括无配子生殖和无孢子生殖。
2. In addition to sexual reproduction, some ferns produce sporophytes by apogamy.
   除了有性生殖外，部份蕨类植物藉无配生殖的方式产生后代。