长茎薹草(原变种) chang jing tai cao (yuan bian zhong)

Carex aristata D. Don ex Tilloch & Taylor (1823), not Honckeny (1792), nor R. Brown (1823).

Culms 25-35 cm tall. Leaves longer or slightly shorter than culm. Male spikes 2-4, congregated at top of culm, cylindric, 0.5-2.5 cm; remaining spikes bisexual, androgynous, oblong-cylindric or narrowly oblong, 2-3 cm. Utricles 2.5-3 mm.

Wet places at riversides, forests on mountain slopes, grasslands; 2700-4100 m. Xizang, Yunnan [Bhutan, India, Nepal].