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Pakistan | Family List | Poaceae | Poa

Poa bactriana Rozhev. in Bot. Mater. Gerb. glavn. bot. Sada. 4:93. 1923. Bor, Grasses Burma Ceyl. Ind. Pak. 556.1960; Bor in Rech.f., Fl. Iran. 70:26. 1970; Tzvelev, Poaceae URSS 450.1976.

Tufted perennial; culms 10-70 cm high, usually erect, clothed at the base with the hardened remains of old leaf-sheaths forming a bulbous swelling. Leaf-blades flat or folded, mostly basal, 1.5-17cm long, 1-3.5mm wide, long-acuminate, scabrid on the margins and often on both surfaces; ligule blunt, 1.5-3mm long. Panicle oblong or pyramidal, 1.5-10cm long, usually fairly dense, sometimes loose or interrupted; branches (1)2-3(-4) at the lower nodes, ascending, smooth below. Spikelets 2-4(-6)-flowered, ovate-elliptic, (3-)3.5-7mm long, green or tinged with purple; glumes subequal, 2-3(-3.5)mm long, the lower 1-nerved, the upper broader, 3-nerved; lemmas elliptic-lanceolate in side-view, 2-3.5(-4)mm long, blunt or subacute, completely hairless on the surface and on the nerves and without any wool at the base, sometimes scaberulous along the keel and marginal nerves; palea slightly shorter than the lemma, scabrid on the keels; anthers 0.6-2mm long.

Lower Taxa


 

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