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Pakistan | Family List | Poaceae | Bromus

Bromus danthoniae Trin. in CA. Mey., Verz. Pfl. Cauc. 24. 1831. Rozhev. & Shishkin in Kom., Fl. URSS 2:582. 1934; Ovchinnikov, Fl. Tadzh. 1:251. 1957; Sultan & Stewart, Grasses W. Pak. 2:174, 1959; Bor, Ceyl. Ind. Pak. 454. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:136. 1968; Bor in Rech.f., Fl. Iran. 70:130. 1970; Tzvelev, Poaceae URSS 231. 1976.

  • Boissiera danthoniae (Trin.) A. Braun
  • Bromus danthoniae var. lanuginosus Rozhev.
  • Bromus lanceolatus var. danthoniae (Trin.) Dinsm.
  • Bromus macrostachys var. danthoniae (Trin.) Asch. & Graeb.
  • Bromus macrostachys var. triaristatus Hack.
  • Triniusa danthoniae (Trin.) Steud.

    Annual; culms erect or geniculately ascending, up to 50 cm high. Leaf-blades up to 15 cm long, 2-4 mm wide; sheaths glabrous or pubescent. Panicle ovate, 4-12 cm long, the branches short and ascending. Spikelets elliptic or oblong-elliptic; 6-8-flowered, 15-35(-45) mm long excluding the awns, the lemmas overlapping, concealing the internodes; lower glume lanceolate, 5-8.5 mm long, 3-5-nerved; upper glume narrowly ovate, 6.5-9.5 mm long, 7-9(-11)-nerved; lemmas oblanceolate in side view, the lower 9-12 mm long, herbaceous with broad silvery-hyaline margins widened above the middle into an obtuse angle, sometimes the margin with a blunt tooth, 9-11-nerved, glabrous or pubescent on the body, the nerves glabrous to scaberulous or ciliolate, minutely several-toothed at the tip, the lowest lemmas 1-awned, sometimes with the awn greatly reduced, the upper lemmas 3-awned with the awns arising from the back below the tip, usually purple-tinged. the central 15-25 mm long, strongly reflexed, the lateral 4-10 mm long, erect or also reflexed; palea shorter than the lemma, ciliolate on the keels; anthers 1-1.8 mm long.

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

    Type: Caucasus, C. A. Meyer (LE).

    Distribution: Pakistan (Baluchistan & Kashmir); Cyprus eastwards through the Middle East to southern Russia and Tibet.

    This is a very handsome grass often with purple awns and pale green lemmas with silvery margins.


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