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Pakistan | Family List | Poaceae | Helictotrichon

Helictotrichon pratense (Linn.) Pilger in Fedde, Repert. 45:6. 1938. Sultan & Stewart, Grasses W. Pak. 2:283. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 439. 1960; Bor in Rech. f., Fl. Iran. 70:331. 1970; Tzvelev, Poaceae URSS 246. 1976.

  • Avena argaea Boiss.
  • Avena pratensis Linn.
  • Avenastrum pratense (Linn.) Opiz.
  • Avenula pratensis (Linn.) Dumort.

    Densely tufted perennial. Culms 30-8(4-100) cm high, erect, slender. Leaf-blades flat, 4-30 cm long, 1-5 mm wide, glaucous, pruinose above; ligule 2-5(-7) mm long. Panicle spiciform, 5-16(-20) cm long, erect, the branches short, paired or solitary, the lower up to 3.5 cm long and with 1-2 spikelets each. Spikelets 3-6(-8)-flowered, narrowly oblong to oblong, 14-28 mm long; glumes lanceolate to oblong-lanceolate, 3-nerved, hyaline on the margins and at the tip, the lower 10-15 mm long, the upper 12-20 mm long; lemmas subcoriaceous with hyaline margins and tip, the lower 10-17 mm long, 5-nerved, minutely scabrid upwards, slightly bifid at the tip; awn from just above the middle, geniculate, 12-22 mm long.

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

    Type: Europe (LINN).

    Distribution: Gilgit & Kashmir; Europe and temperate Asia; introduced into parts of India in grass-seed mixtures.

    Meadow Oat-grass is common in alpine meadows from about 2700 to 4300 m.


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