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Pakistan | Family List | Poaceae | Poa

Poa annua Linn., Sp. Pl. 1:68. 1753. Boiss., Fl. Or. 5:601.1884; Stapf in Hook.f., Fl. Brit. Ind. 7:345.1896: Bor, Fl. Assam 5:68.1940; Sultan & Stewart, Grasses W. Pak. 2:184.1959; Bor, Grasses Burma Ceyl. Ind. Pak. 555.1960; Bor in Towns., Guest & Al–Rawi, Fl. Iraq 9: 122.1968; Bor in Rech.f., Fl. Iran. 70:29.1970; Tzvelev, Poaceae URSS 466.1976; Edmondson in Tutin et al., Fl. Eur. 5:161.1980.

  • Poa royleana Steud.

    Tufted annual or short-lived perennial; culms 5-30cm high, erect, spreading or prostrate, sometimes with a creeping base rooting from the nodes, slightly compressed. Leaf-blades flat or folded, 1-14cm long, 1–2(–5)mm wide, flaccid, abruptly tapered to a pointed or bluntly hooded tip, often transversely wrinkled, scaberulous on the margins; ligule blunt, 2–5mm long. Panicle ovate or pyramidal, (1–)3–8(–12)cm long, loose or rather dense; branches paired, spreading or de-flexed after anthesis, smooth. Spikelets with 3–5(-10) closely spaced florets, ovate or oblong, 3–10mm long, pale or bright green, reddish or purplish; glume unequal, the lower lanceolate to ovate, 1.5–3mm long, 1–nerved, the upper elliptic or oblong, 2–4mm long, 3–nerved; lemmas semi-elliptic or oblong in side-view, 2.5–4mm long, blunt, glabrous or sparsely to densely ciliate on the keel and nerves, without any wool at the base; palea nearly as long as the lemma, ciliate all along the keels; anthers 0.6–0.8(–1)mm long.

    Fl. & Fr. Per.: throughout most of the year, especially March-September.

    Type locality: Europe.

    Distribution: Pakistan (Baluchistan, Punjab, N.W.F.P. & Kashmir); cosmopolitan, but avoiding deserts and hot climates.

    Annual Meadow-grass is a very common weedy species found in a variety of habitats. 1400-4300m.


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