史米诺早熟禾(原亚种) shi mi nuo zao shu he (yuan ya zhong)

Poa arctica R. Brown subsp. smirnowii (Roshevitz) Malyschev.

Culms (1–)2–5 per clump, (15–)24–40(–55) cm tall. Leaf blade 3–5 cm × 3–4 mm, of tillers 5–15 cm. Panicle open, lax, 5–8 × 3.5–5 cm; branches spreading, longest 2.5–4.5 cm. Callus hairs dense. Fl. and fr. Jul–Aug. 2n = 42, 70.

Alpine shady grassy areas, open gravelly slopes, riversides; 2000–2600 m. Xinjiang (Altay Shan, Tian Shan) [N Mongolia, Russia (C and E Siberia)].

This subspecies differs from subsp. mariae mainly by its more tufted habit, greater height, and broader panicles.