Aletris nana S. C. Chen

Leaves numerous, densely tufted, linear, 1--3.5 cm × 1--4 mm. Scape somewhat stout, not wiry, straight and erect, 1.5--10 cm. Raceme 0.5--3.5 cm, densely or somewhat laxly 3--14-flowered, becoming lax in fruit; rachis pubescent or puberulent. Flowers distinctly pedicellate; pedicel 1--4 mm, pubescent or puberulent; bract and bracteole borne at or near apex of pedicel; bract lanceolate, 2--6 mm, equaling or exceeding flower, glabrous, apex acute. Perianth white or pinkish white, 3--4 mm, glabrous, not or scarcely papillose; tube broadly funnelform; lobes erect or slightly recurved, triangular-ovate to lanceolate, 1--1.5 × 0.7--1 mm, 0.3--0.45 × tube length, apex obtuse. Capsule subglobose, 2.5--3 mm, apex of valves ± abruptly narrowed; style ca. 0.4 mm; stigma not or only slightly thickened. Fl. May--Jun, fr. Aug--Sep.

S Xizang, NW Yunnan (Yulongxue Shan) [Nepal].

Wet grassy meadows, swamps, damp rock crevices, in moss, among boulders; 3200--4600 m.

Type material of Aletris alpestris var. occidentalis described by Hara (J. Jap. Bot. 47: 276. 1972) from Nepal and Xizang, corresponds with A. nana.

Aletris nana là một loài thực vật có hoa trong họ Nartheciaceae. Loài này được S.C.Chen mô tả khoa học đầu tiên năm 1981.