The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
胚珠是半球形的，有2个被膜，腱鞘状，而原孢子细胞直接作为大孢子母细胞起作用。
There are 2 ovules at the base of the ovuliferous.
珠鳞基部近轴面着生2个胚珠；
Pollen is usually blown to other trees and fertilizes their ovules.
花粉通常会被风吹到其它树上使其受精。
Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
The fiber induction and development from cotton ovules of fiber mutants in vitro were studied and analyzed.
离体诱导不同类型的纤维突变体胚珠纤维发育，研究纤维突变体离体纤维发育的情况。
In vitro of ovules in 7 cross combination between diploid and tetraploid cultivars of grape were studied in this experiment.
对7个葡萄二倍体与四倍体杂交组合的胚珠进行离体培养研究。
When embryos developed fully and did not abortive, ovules might be cultured, and percentage of the viable embryos was higher.
当胚发育最为充分而又尚未败育时取胚珠进行培养，存活胚的比例较高。
The research demonstrated that above 90% brown ovules were living (development embryo), and above 95% green ovules were abortive.
本研究发现：90%以上的褐色胚为活胚，95%的鲜绿色的胚已败育。
Green Grams ovary consists of singe carpel, one locule, cantaining 9—13 campylotropous ovules bearing at the marginal placentation.
绿豆子厉由单心皮构成，1室，有9—13个弯生胚珠着生在边缘胎座上。
The ovary contains 20-23 ovules. The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
子房具胚珠20—23枚，胚珠横生，珠被二层，薄珠心，孢原细胞直接起大孢子母细胞作用。
He also observed that gymnosperm ovules were not enclosed in an ovary wall, leading to the establishment of one of the basic differences between angiosperms and gymnosperms.
他还观察到裸子植物的胚珠并不是被子房壁包围，这个发现直接导致了被子植物和裸子植物之间最根本的几点区别的建立。
Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .
当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
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