种脐的英文

hilum; omphalodium; naucum

• 种:    species
• 脐:    navel; umbilicus t ...
• 种脐, 脐点:    cleft hilum

例句与用法

1. It is a feature that distinguishes seeds from fruits
   种脐是种子区别于果实的特征。
2. Hilum ( pl . hila ) 1 . a scar on the testa of a seed marking the point at which it was attached to the ovary wall by the funicle
   种脐： 1是种子的外种皮上保留的一个痕迹，显示种子与子房壁在此处靠珠柄连接。
3. These specimens of ruppia are characterized by possessing a small oval endocarp , smooth endocarp surface , distinct narrowly elliptic external depressions , distinct apical mucro , slightly curved seed shape and conspicuous globose hilum . a new species , r . yushensis sp . nov
   该新种的主要特征为内果皮卵形、表面光滑、侧面具两个显著的窄椭圆形凹陷、顶端具一个明显的小尖突，以及种子顶端具显著的球形膨大的种脐。
4. The size and shape of the seeds , and the position of the hilum are of no important systematic significance , but the protruding degree of the hilum , the shape of the testa cells and the pattern of their cell walls , particularly the appendages of the in ner side , are of important value in the phylogenetic consideration of the tribe hyoscyameae
   各属植物的种子大小、形状及种脐着生位置的系统学意义不大。但是，种脐突出与否、种子外种皮细胞形状和周壁式样，尤其是周壁内侧附属物等性状具有较大的分类学意义。