1.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.

1.千里光属植物和蒲公英属植物面的纵棱为突起，可有于吸附小颗粒和控制面温度，蒲公英属植物面的微刺可有于2次传播。