The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生合点吸器沿着胚珠的维管组织分支.
Seed development in most instances commences following fertilization of the ovule.
大多数种子的形成是从胚珠受精开始的.
Only a few forest tree species can develop viable seed from unpollinated ovules.
只有少数林木可以从未授粉的胚珠发育成有活力的种子.
Frequently the basal ovule, which is the last one to be fertilized would abort.
最后受精的基生胚珠经常败育.
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.
One day he discovered an unusual seedball on one of hispotatoes.
一天,他在自己的一只马铃薯上发现一颗不同寻常的胚珠.
A stalk connecting an ovule or a seed with the placenta.
珠柄与胚珠或含胎座的种子相接的叶柄.
Nutrients pass through the funicle to the ovule and seed.
营养物质通过珠柄传递到胚珠和种子.
Pollination drops were exuded from 4 ovules at one time.
4个胚珠同时分泌授粉滴,花粉掉落后被授粉滴带进珠孔.
Ovarian half, ovule majority, the seed has a wing.
子房半下位, 胚珠多数, 种子有翅.
The ovule of Hyoscyamus niger is renuinullceate.
天仙子(Hyoscyamusniger)胚珠为薄珠心胚珠.
Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta angiosperm ovaries.
中连接胚珠 ( 之后的种子 ) 和胎座的柄.
Growing straight , so that the micropyle is at the end opposite the stalk. Used an ovule.
直生的直立生长以至珠孔在茎的另一端的. 用于形容胚珠.
Testa The hard dry protective covering of a seed, formed from the integuments of the ovule.
外种皮:覆盖在种子外部的坚硬干燥的保护层, 由胚珠的珠被发育形成.
Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.
子房2室, 胚珠多列, 花柱丝状, 柱头舌状扁平.