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

6c. Poa bulbosa subsp. vivipara (Koeler) Arcangeli, Comp. Fl. Ital. 785. 1882.

胎生鳞茎早熟禾 tai sheng lin jing zao shu he

Poa bulbosa var. vivipara Koeler, Descr. Gram. 189. 1802; P. desertorum Trinius; P. crispa Thuillier.

Culms 15–55 cm tall. All or most spikelets viviparous; lemmas 3–4 mm, glabrous or basal 1 or 2 pubescent; distal florets viviparous, forming bulbils, bulbil lemmas becoming swollen and purple at base, apex elongated and developing a blade; callus glabrous or webbed. Anthers occasionally well developed in proximal floret. 2n = 21, 28, 39, 42.

River shores, wastelands near fruit gardens, desert grasslands; 700–4300 m. Xinjiang, Xizang [Afghanistan, NW India, Kazakhstan, Kyrgyzstan, Nepal, Pakistan, Russia (Siberia), Tajikistan, Turkmenistan, Uzbekistan; Africa, SW Asia, Europe; introduced in Australia, North and South America, and Pacific Islands].

Pubescence is often poorly developed or absent in proximal florets of viviparous spikelets.


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