achene

1.Fruit an achene or drupelet.

一瘦小核。

2.Achene line form, have aigret.

瘦线形,有冠毛。

3.Fruit a trigonous, biconvex, or biconcave achene;

三角型，双凸，者双凹的瘦；

4.Ridges on achene surface in Senecio and Taraxacum are useful for absorbing small particles or control-ling surface temperature.Spinule on achene of Taraxacum may be fit for epizoochore.

千里属物和蒲公英属物瘦表面的纵棱更为突起，可能有利于吸附小颗粒和控制表面温度，蒲公英属物瘦表面的微刺可能有利于2次传播。

5.Carpels many, rarely few, inserted on convex torus, each carpel becoming a drupelet or drupaceous achene;

心皮多数，有时少，着生于凸起的花托上，每心皮形成一小核核瘦；

6.Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.

根状茎长和薄的短的小节；三出的叶片，狭窄的叶柄；总苞片叶柄；雌蕊和瘦明显花柱和小，通常线形柱头。(8

7.Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦直，有脊者U形附属物在先端者在背腹边缘，通常多疣，被更窄的宿存花被包围。