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Pakistan | Family List | Poaceae | Poa

Poa sterilis M. Bieb., Fl. Taur.-Cauc. 1:62. 1808. Boiss., Fl. Or. 5:608.1884; Sultan & Stewart, Grasses W. Pak. 2:189.1959; Bor, Grasses Burma Ceyl. Ind. Pak. 560.1960; Bor in Rech.f., Fl. Iran. 70:44.1970; Tzvelev, Poaceae URSS 471.1976; Edmondson in Tutin et al., Fl. Fur. 5:165.1980.

Tufted perennial; culms 25-40cm high, erect. Leaf-blades flat or rarely convolute, 3-15cm long, 1-2 mm wide, flaccid, tapering to a sharp point, scabrid on the margins and sometimes also on the surfaces; ligule truncate, 1.5-3 mm long, Panicle narrow, few-spiculate, 7-15cm long; branches 2-3 at the nodes, ascending, flexuous, very scabrid. Spikelets (2-)3-4(-5)-flowered, broadly wedge-shaped, 4-6mm long, greenish or pallid and tinged with yellow or brown; glumes subequal, 3-nerved, elliptic to lanceolate, 3-4 mm long; lemmas oblong in side-view, 2.5-4(-5)mm long, obtuse, ciliate on the keel and marginal nerves, without or with scant wool at the base; palea slightly shorter than the lemma, finely pecti¬nate along the keels; anthers 1.5-2.5mm long.

Fl. & Fr. Per.: July-August.

Type locality: “Tauria”.

Very similar to Poa nemoralis, differing largely by the longer ligule. 1300-4700m.


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