Flowering and fruiting: debilis because of its current large population size and 第6期 陈沂章等 :王樟华等 :中国菊科一新归化植物—— 白花金钮扣 645 Fig. 1 Acmella radicans var. debilis. A,B: Habitat; C: Habit; D: Leaves, left:
Individuals of this plant form a large population in Yixian and produce many mature seeds, suggesting that it may be invasive to some extent.%报道了中国菊科一新归化植物——白花金钮扣[Acmella radicans var. debilis (Kunth) R. K. Jansen],并提供了该变种详细的特征描述和彩色照片。该变...