achene
英[ə'kiːn]
美[ə'kiːn]
Noun:
-
small dry indehiscent fruit with the seed distinct from the fruit wall
- 1. Ovary and achene body pubescent.
- 子房和瘦果身体短柔毛。
youdao
- 2. It is described here as an achene because it is indehiscent, as opposed to a typical, dehiscent follicle.
- 它已经把这里描述为一瘦果,因为它不裂,与一典型,开裂的蓇葖果相反。
youdao
- 3. Samara a nut or achene whose pericarp is extended to form a wing for wind dispersal, e. g. Ash (fraxinus excelsior).
- 翅果:指坚果或瘦果中果皮延伸成翼状,以利于风媒传播的果实类型。如白蜡树的果实(欧洲白蜡树)。
youdao
- 4. Samara a nut or achene whose pericarp is extended to form a wing for wind dispersal, e. g. ash ( fraxinus excelsior )
- 翅果:指坚果或瘦果中果皮延伸成翼状,以利于风媒传播的果实类型。如白蜡树的果实(欧洲白蜡树) 。
youdao
- 5. It is therefore suggested that the relatively high level of ABA in the pericarp and testa is the major cause of the achene dormancy.
- 因此,可以认为现代月季种子休眠的主要原因是果皮和种皮内含有较高水平的ABA。
youdao
- 6. It is therefore suggested that the relatively high level of ABA in the pericarp and testa is the major cause of the achene dormancy.
- 因此,可以认为现代月季种子休眠的主要原因是果皮和种皮内含有较高水平的ABA。
youdao
用作名词 (n.)
- Other achene with bristles can attach on animals for travel.
长有勾刺的瘦果,则可附在动物身上传播到其它地方。
- It is similar to an achene except that the ovary wall is fused with the seed coat.
与瘦果相似,不同点在于颖果的果皮和种皮紧密愈合不易分离。