4. Kengyilia eremopyroides Nevski ex C. Yen et al., Novon. 8: 96. 1998.
卵颖以礼草 luan ying yi li cao
Plants with short rhizomes. Culms densely tufted, erect, 31–37 cm tall, 1.5–2 mm in diam., 2-noded, glabrous but upper internodes pubescent. Leaf sheath glabrous; ligule ca. 0.5 mm, scarious-membranous, apex truncate; leaf blade flat, (1.5–)2–5.5 × 0.25–0.3 cm, abaxial surface densely pilose, adaxial surface pilose. Spikes erect, slightly secund, (3.5–)4–4.5 × 0.8–1 cm; rachis densely pilose; proximal internodes 5–7 mm, distal ones 1.5–2 mm. Spikelets stramineous or purple, ovate, 10–11 mm, with 4–6 florets; rachilla densely puberulent; internodes 0.8–1.2 mm. Glumes ovate, 3–5-veined, glabrous, apex acute or mucronate; proximal glume 4–4.5 mm; distal glume 4.5–5 mm. Lemma ovate-oblong, 7–8 mm, densely hirsute; awn 3–4 mm, scabrous. Palea shorter than lemma, sparsely ciliolate along keels distally, apex emarginate. Anthers black, ca. 2 mm. Fl. Jul.
* Clayey-sandy ground; ca. 4000 m. Qinghai (Ngoring Hu).
This species is known only from the type, N. M. Przewalski 339 (LE), collected in July 1884 at "Lacus Orin-Nor" (Ngoring Hu, located W of Madoi in Qinghai).