Abstract
The article presents the research results of the genesis of biology of Crocus angustifolius and Crocus speciosus . Some aspects of formation of the male and female gametophytes, pollination and seeds formation have been presented. The wall of microsporangium develops centripetally as monocotyledonous and formed consists of the epidermis, endothecium, 2-3 middle layers and secretory tapetum. A tetrad of microspores is formed simultaneously. Mature pollen grains are 2-cell. The ovary is three-celled, the ovary is anatropic, crassinucellous, bitegmal, funiculous. Polygonum-type embryo sac. Pedestal, podium and hypostasis are formed. Both species are entomophilous plants. The fruit is a multi-seeded three-nest box. Both species propagated by seeds and vegetatively using corms.
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