江孜点地梅 jiang zi dian di mei

Herbs perennial, with a woody tap root. Caudex many branched, forming dense cushions. Leaf rosettes of current year superimposed on old rosettes, without intervals. Leaves trimorphic. Outer leaves usually covered by remains of dead leaves, brownish, ovate to ovate-lanceolate, 3.5--5 mm, early deciduous, glabrescent, sparsely ciliate. Medial leaves sessile, oblong-ligulate to linear-spatulate, 3--6 mm, abaxially white villous on distal 1/2, glabrous on proximal 1/2, adaxially pilose near margin. Petiole of inner leaves very short; leaf blade oblanceolate to obovate-spatulate, 5--15 X 2--4(--5) mm, herbaceous, densely strigillose, base attenuate, apex subobtuse. Scapes erect, 0.5--2 cm, white villous; umbels 3--6(--10)-flowered; bracts linear to linear-spatulate, 3--4 mm, short pubescent, minutely capitate glandular, apex acute to obtuse. Pedicel 1--2(--3) mm, usually shorter than bracts. Calyx 2.5--3 mm, pubescent, parted to ± middle; lobes ovate to ovate-triangular, margin white pubescent, apex obtuse to acute. Corolla white or pink, 5--7 mm in diam.; lobes obovate to broadly obovate, margin nearly entire. Fl. Apr-Jun.

* Dry sandy slopes; 4000--4500 m. E and S Xizang.