纤花亚组，夹竹桃科下一个属。基本信息 亚组3. 纤花亚组 Subsect. Graciliflorae (Markgr.) Tsiang et P. T. Li, stat. nov. ——Sect. Graciliflorae Markgr. in Notizbl. Bot. Gart. Mus. Berlin-Dahlem 12(115): 547. 1935. ——Sect. Dichotomae Markgr. l. c. 546.本亚组主要特征：蓇葖...