亚东点地梅 ya dong dian di mei

Herbs perennial, laxly cespitose. Shoots initially deep reddish brown, sparsely pubescent, becoming dark purple, glabrescent, internodes 2--3 cm. Leaves trimorphic. Outer leaves sessile, lanceolate, 2.5--4 mm, early deciduous, glabrous. Medial leaves yellowish green or brown, ligulate, 3--6 X 1--1.8 mm, thin leathery, ciliate, abaxially sparsely pubescent near apex, adaxially glabrous, apex obtuse. Petiole of inner leaves slightly shorter to longer than leaf blade; leaf blade ovate-elliptic to suborbicular, 8--30 X 4--8 mm, sparsely pubescent, base abruptly constricted, apex obtuse to rounded. Leaves of sterile rosettes 4 or 5; petiole longer; leaf blade subrounded at apex. Scapes erect, 4--8 cm, sparsely pilose; umbels 4--8-flowered; bracts linear, 3--5 mm. Pedicel 6--10 mm, pubescent. Calyx 2.5--3 mm, sparsely pubescent, parted nearly to middle; lobes ovate, densely ciliate, apex obtuse. Corolla pink, ca. 6 mm in diam.; lobes broadly obovate, margin entire. Fl. Jul. 2n = 20.

Rocky woodland margins, streamsides; 3500--4100 m. S Xizang [Bhutan, Nepal, Sikkim].