Description from Flora of China
Lycopodium kangdingense Ching, Acta Phytotax. Sin. 18: 236. 1980; Huperzia tahkuanensis Ching.
Plants terrestrial. Stem erect or ascending, up to 27 cm, ca. 3 mm in diam. at middle, together with leaves 1.7-2.2 cm wide, 2 or 3 times dichotomously branched, upper portion often with bulbils. Leaves very reflexed or slightly reflexed, lustrous, linear-lanceolate, not contracted toward base, falcate, 8-15 × 0.5-0.9 mm, leathery, both surfaces glabrous, midrib indistinct abaxially, slightly raised adaxially and distinct, base subtruncate, decurrent, sessile, margin straight and not crispate, upper portion sparsely toothed, apex acuminate; teeth small, acute. Sporophylls homomorphic with trophophylls; sporangia visible on both sides of sporophylls, yellowish, reniform.
● Wet places in forests or on cliffs; 1300-2500 m. W Sichuan, NE Yunnan (Daguan).