OBTUSA Engler, 1895 (engl./ fr.) 资料来自:International Crassulaceae Network Distribution : South-eastern Kenya, north-eastern Tanzania; evergreen to semideciduous forests, generally on limestone, to 450 m. 分布于肯尼亚的东南部、坦桑尼亚的东北部。 生境为常绿或半落叶林中 Description (according to B. Descoings in IHSP, 2003) : Small perennials, 10 - 15 cm tall. Stems erect to decumbent, glabrous. Leaves petiolate, glabrous, in 3 - 5 pairs, petiole flat, semi-amplexicaul, 0.5 - 2 cm, lamina ovate, obovate or suborbicular, green to reddish, 2 - 7 x 1 - 5 cm, ti