异色红景天 yi se hong jing tian

Sedum discolor Franchet, J. Bot. (Morot) 10: 285. 1896; S. bupleuroides Wallich ex J. D. Hooker & Thomson var. discolor (Franchet) Fröderström.

Caudex subprostrate, ascending, or suberect, 3-5 mm in diam. Caudex leaves scalelike, narrowly triangular. Flowering stems 1 to few, simple, erect, 12-40 cm. Stem leaves alternate; petiole ca. 1 mm; leaf blade adaxially green, abaxially ± glaucescent, linear-lanceolate, oblong-lanceolate, ovate-lanceolate, or ovate, 9-25 × 3-5(-7) mm, base auriculate to rounded, margin obscurely dentate to subentire and usually revolute, apex acute to acuminate. Inflorescences corymbiform, 3-5 × 5-10 cm; bracts leaflike, small. Flowers shortly pedicellate, unisexual, unequally 4- or 5-merous. Sepals narrowly triangular, 1-2.5 × 0.5-1 mm. Petals purplish red, oblong to oblong-obovate, 5-6 mm in male flowers, 3-4 × 1-1.3 mm in female ones. Stamens of male flowers 8-10; antesepalous ones ca. 2 mm; antepetalous ones ca. 1.5 mm. Nectar scales oblong-quadrangular, apex emarginate. Carpels erect, ca. 2 mm. Follicles 3-4 mm. Fl. Jun-Jul, fr. Jul-Aug.

Forests, grassy slopes, rocky cliffs; 2800-4300 m. W Sichuan, SE Xizang, NW Yunnan [Nepal, Sikkim].