At the end of February, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale. 2月底,苞片体积不再发生变化,珠鳞膨大端的基部的近轴面分化出2个倒生胚珠。
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules. 从雌球果原基发生到胚珠分化历时4个多月。
The ovules of Alpinia henryi K. Schum are anatropous, crassinucellate and bitegmic. 小草蔻(AlpiniahenryiK.Schum)胚珠倒生,厚珠心,双珠被。
Each of the mature pollen grains has 2 nuclei, 1 germination pore, Its ovule is anatropous, double integument and tenuinucellate. 成熟花粉粒2核,1萌发孔;
The ovule is of anatropous, simple integument and tenuinucellus. 胚珠为倒生型,具单珠被和薄珠心。
The ovary was bicarpellary syncarpous and unilocular having parietal placentas. Ovules were anatropous. 子房为二心皮一室,多胚珠,侧膜胎座,倒生型胚珠。
The ovary is 2-loculus with 2 anatropous ovules in each. The ovule is unitegmic and tenuinucellate. 子房2室,每室2个倒生胚珠,具单珠被,薄珠心。
Its pistil consists of three carpels, the inferior ovary has three locules and each locule has two ovules which are anatropous on axile placenta. The ovule is bitegminous and crassinucellate. 雌蕊3心皮3室,子房下位,中轴胎座,每室2倒生胚珠,厚珠心,双珠被,内珠被独自形成珠孔。
The mature pollen grain is 2-celled. ( 2) The ovary has 1 locule and there is 1 anatropous ovule in each locule. 成熟花粉为2-细胞型。(2)牛膝菊子房一室,每室一枚倒生胚珠,具单珠被,薄珠心。
Embryo development of 'Dawuxing' Results of anatomical structure of 'Dawuxing' showed that ( 1) The ovules belongs to anatropous ovule, polygonum type embryo-sac, nuclear endosperm in 'Dawuxing'. ‘大五星’枇杷的胚胎发育解剖观察表明:(1)‘大五星’枇杷胚珠为倒生胚珠,蓼型胚囊和核型胚乳。