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Pakistan | Family List | Poaceae | Anthoxanthum

Anthoxanthum odoratum Linn., Sp. Pl. 1:28. 1753. Boiss., Fl. Or. 5:470. 1884; Hook.f., Fl. Brit. Ind. 7:222. 1896; Bor, Fl. Assam 5:164. 1940; Bor, Grasses Burma Ceyl. Ind. Pak. 431. 1960; Bor in Rech.f., Fl. Iran. 70:335. 1970; Tzvelev, Poaceae URSS 354. 1976; Tutin in Tutin et al., Fl. Eur. 5:230. 1980.

Tufted perennial. Culms 10-50 (-100) cm high, erect. Leaf-blades 1-12 (-30) cm long, 1.5-5(-9) mm wide, glabrous to sparsely hairy, finely pointed at the tip; ligule 1-5 mm long. Panicle very dense to somewhat loose, ovate to narrowly oblong, 1-9 (-12) cm long, 6-15 mm wide, green or purplish. Spikelets lanceolate, the upper awn protruding; glumes thinly membranous, loosely to sparingly hairy; lower glume ovate, 3-5 mm long, 1-nerved, mucronate; upper glume ovate to elliptic, 6-10 mm long, 3-nerved, mucronate; sterile lemmas 3-3.5 mm long, obscurely bibbed, the awn of the upper 6-9 mm long; fertile lemma 2 mm long; anthers 3-4.5 mm long.

Type locality: Europe.

Distribution: Pakistan (Baluchistan & N.W.F.P.); widespread in Europe and temper-ate Asia; introduced to North America.

Sweet Vernal-grass is a polymorphic species, varying considerably in size, leafiness and hairiness. At one time it was included in seed-mixtures for pasturage or hay on account of its fragrant smell, but it is not very palatable to stock and has a high proportion of stem to leaf.


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