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FOC | Family List | FOC Vol. 22 | Poaceae | Deyeuxia

10. Deyeuxia nyingchiensis P. C. Kuo & S. L. Lu, Fl. Xizang. 5: 221. 1987.

林芝野青茅 lin zhi ye qing mao

Perennial, tufted. Culms erect, 50–80 cm tall, 2–3-noded. Leaf sheaths smooth or scabrid; leaf blades flat or involute, 10–15 cm, 1–3 mm wide, scabrid; ligule 4–5 mm. Panicle open, ovate in outline, 7–12 × 5–8 cm; branches in whorls of 3–6, curving, spreading or ascending, 2–8 cm, smooth or scabrid, lower 1/2–2/3 bare; pedicels curved, slightly scabrid. Spikelets 5–7 mm, purple; glumes narrowly lanceolate, subequal or lower glume slightly longer than upper, lower glume 1-veined, upper glume 3-veined, scabrid, apex acuminate; callus hairs ca. 1/3 length of lemma; lemma ca. 3 mm, apex 4-toothed; awn arising from upper 1/4–1/3 of lemma, straight, ca. 4 mm; palea ca. 2/3 as long as lemma; rachilla 1–1.5 mm, including hairs 3.5–4 mm. Anthers ca. 1 mm. Fl. Aug.

* Grassy mountainsides, among alpine shrubs; 3500–4700 m. Sichuan, Xizang.

Specimens from Xizang are sometimes confused with Deyeuxia pulchella or D. scabrescens, but can be distinguished by the laxer panicle with curving branches and by the narrower glumes.


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