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

69. Poa sichotensis Probatova, Novosti Sist. Vyssh. Rast. 10: 68. 1973.

西可早熟禾 xi ke zao shu he

Poa hengshanica Keng ex L. Liu.

Culms loosely tufted, 60–120 cm tall, erect, or slightly geniculate, with bluish bloom; uppermost node above middle of culm. Lower leaf sheaths scabrid; leaf blade flat or folded, uppermost 3 or more × as long as sheath, (2–)3–6(–8) mm wide; ligule 0.5–1.5 mm. Panicle narrow, 15–26 cm, branches erect; lower ones 1/3–1/2 as long as panicle, with 6–16 spikelets. Spikelets slightly silverish, 4–7 mm, florets 3–6; rachilla hairy; glumes 2.8–6 mm; lemma 2.5–5 mm, keel and marginal veins proximally sparsely pubescent for 1/3 of length, glabrous between veins; callus villose; palea keels ciliate, proximally shortly and densely pubescent between keels. Anthers ca. 1.2–2 mm. Fl. Jun–Aug. 2n = 42, 49–50, 56, 70.

Meadows among thickets in deciduous forests. Heilongjiang, Jilin [Russia (Far East)].

Poa sichotensis is closely allied to P. alta, but is less xeromorphic. The type of P. hengshanica and other material so named match P. sichotensis.


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