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

21. Puccinellia przewalskii Tzvelev, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR. 17: 63. 1955.

勃氏碱茅 bo shi jian mao

Perennial, loosely tufted, intravaginal and a few short extravaginal shoots present. Culms erect or ascending from a geniculate base, 25–40 cm tall. Leaf sheaths smooth; ligule 2–3 mm; leaf blade flat or inrolled, hard, grayish green, 5–10 cm, 2–3 mm wide, adaxial surface scabrid. Panicle narrow, 8–15 cm; branches ca. 5 cm, appressed or sometimes spreading, scabrid or smooth in lower part. Spikelets 5–7 mm, slightly tinged with purple, florets 5–7; glumes obtuse or subacuminate, lower glume ca. 1.5 mm, upper glume 2–2.5 mm; lemmas 3.2–3.5 mm, lower part glabrous, rarely base minutely pubescent, apex acuminate or narrowly rounded; palea keels smooth in lower part, shortly ciliate in upper part; anthers 1.5–2.4 mm. Fl. Jun–Jul.

* Moist saline places on sandstone, river banks. Gansu, Qinghai.


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