1.Infructescence a capitate or globose coenocarpium composed of numerous achenes.
序为由许多瘦组成头状或者球状的聚花。
2.Fruit an achene or drupelet.
一瘦或小核。
3.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.