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Pakistan | Family List | Poaceae | Bothriochloa

Bothriochloa ischaemum (Linn.) Keng in Contr. Biol. Lab. Sci. Soc. China, Bot. Ser. 10:201. 1936. Bor, Grasses Burma Ceyl. Ind. Pak. 108. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:411. 1968; Bor in Rech. f., Fl. Iran. 70: 538. 1970; Tzvelev, Poaceae URSS 702. 1976.

Vern.: Palwan.

  • Amphilophis ischaemum (Linn.) Nash
  • Andropogon ischaemum Linn.
  • Bothriochloa pseudoischaemum of Sultan & Stewart
  • Dichanthium ischaemum (Linn.) Roberty

    Tuft perennial with mostly basal leaves; culms erect or geniculately ascending, up to 80 cm high. Leaf-blades 3-15 cm long, 2-4 mm wide. Inflorescence composed of 5-15 subdigitate racemes; racemes 4-6 cm long, shortly pedunculate, the peduncles glabrous. Sessile spikelet oblong-lanceolate, 3.5-5 mm long; lower glume chartaceous, hairy below the middle, not glossy, without a pit, acute; awn 12-15 mm long. Pedicelled spikelet glabrous on the back, without a pit.

    Fl. & Fr. Per.: May-October.

    Type locality: southern Europe.

    Distribution: Pakistan (Sind, Baluchistan, Punjab, N.W.F.P., Gilgit & Kashmir); southern Europe and North Africa eastwards to the Northwest Himalayas and Tibet.

    Bothriochloa ischaemum is known to introgress with Bothriochloa bladhii (DeWet & Harlan in Am, J. Bot. 53:94-98. 1966) and the hybrid often resembles the Southeast Asian var. songorica.


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