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Pakistan | Family List | Poaceae | Calamagrostis

Calamagrostis decora Hook. f., Fl. Brit. Ind. 7:260. 1896. Sultan & Stewart, Grasses W. Pak. 2:298. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 395. 1960; Bor in Rech. f., Fl. Iran. 70.271. 1970.

  • Deyeuxia hackelii Bor
  • Deyeuxia kashmeriana Hackel ex Bor

    Tufted perennial with creeping rhizomes; culms up to 120 cm high, erect, rather slender, smooth or scaberulous beneath the panicle. Leaf-blades up to 30 cm long, 3.5-6 mm wide, flat or convolute, scabrid; ligule 4-5 mm long, blunt. Panicle erect, lanceolate, 8-15 cm long, lax, green or tinged with purple. Spikelets 5-6 mm long, the rhachilla markedly prolonged and densely penicillate; glumes subequal, lanceolate-acuminate, scaberulous; lemma about two-thirds the length of the glumes, scaberulous, shortly 4-toothed at the tip; awn 2.5-4 mm long, arising from near the base of the lemma; callus hairs about as long as the floret or slightly shorter.

    Type: Gilgit, Duthie 12660 (K).

    Distribution: Gilgit & Kashmir, endemic.

    Calamagrostis decora and Calamagrostis stoliczkai represent the transition from Calamagrostis sensu str. (species 1-3) on the one hand and Deyeuxia (species 6-8) on the other by virtue of their long callus hairs in combination with scaberulous lemma. In fact, part of the material of was described by Bor as a new species of Deyeuxia,/i> (Deyeuxia kashmeriana).

    3000-4800 m.


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