Pontederiaceae

Eichorniacrassipes(Mart.)Solms,A.DC.,Mon.Phan.4:5271883.【Exotic,fromtropicalandsubtropicalSouthAmerica】Perennialaquaticherbupto50cmhigh.Rhizomeandstemsnormallyfloating,rootingatthenodes.Leavesrosulate,rhomboidorovate,4–12(–25)cmindiameter;petiolesinflated ......（本文共 628 字 , 2 张图）     [阅读本文] >>