目的:研究托叶在各种类之间的形态学差别。方法:测量长度、与叶柄合生的距离,观察分裂程度、形状及毛茸附属物等。结果:空心莓组托......

The genus Vicia L. includes about 190 species around the world and approximately 40 species in China. The genus includes......

The descriptions of Prosopis juliflora of subfamily mimosoideae in the family leguminosae, given in the floras of arid a......