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Pakistan | Family List | Poaceae | Bromus

Bromus japonicus Thunb. ex Murr., Syst. Veg. 119. 1784. Thunb., Fl. Jap. 52, t.11. 1784; Rozhev. & Shishkin in Kom., Fl. URSS 2:578. 1934; Ovchinnikov, Fl. Tadzh. 1:246. 1957; Sultan & Stewart, Grasses W. Pak. 2:177. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 455. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:146. 1968; Bor in Rech. f., Fl. Iran. 70:112. 1970; Tzvelev, Poaceae URSS 229. 1976; Smith in Tutin et al., Fl. Eur. 5:188. 1980.

  • Bromus abolinii Drobov
  • Bromus anatolicus Boiss. & Heldr.
  • Bromus annuus Jacq. ex Stapf
  • Bromus japonicus subsp. anatolicus (Boiss. & Heldr.) Penzes
  • Bromus japonicus var. porrectus Hack.
  • Bromus japonicus var. velutinus (Koch) Bornm.
  • Bromus patulus Mert. & Koch
  • Bromus patulus var. microstachya Stapf
  • Bromus patulus var. velutinus Koch
  • Bromus phrygius Boiss.
  • Bromus ugamicus Drobov
  • Serrafalcus patulus (Mert. & Koch) Parl.

    Annual; culms erect or geniculately ascending, up to 90 cm high. Leaf-blades up to 20 cm long, 1.5-5.5 mm wide; sheaths pubescent. Panicle 6-20 cm long, very lax and spreading, the branches and pedicels very long, filiform and flexuous. Spikelets ovate to oblong-lanceolate, 7-15-flowered, 12-30(-35) mm long excluding the awns, the lemmas overlapping and concealing the internodes; glumes glabrous or hairy, the lower lanceolate, 4.5-6 mm long, 3-nerved, the upper ovate, 5-7.5 mm long, 7-nerved; lemmas oblanceolate in side view, the lower 7.5-10(-12) mm long, coriaceous with hyaline margins, faintly to strongly angled above the middle, 7-nerved, the nerves indistinct, glabrous or hairy, minutely 2-toothed at the tip, the teeth blunt, triangular; awn subapical, flattened especially at the base, 10-15 mm long on the upper lemmas, those on the lower much reduced, erect at first, becoming reflexed at maturity; palea shorter than to as long as the lemma, ciliolate on the keels; anthers 0.5-1.5 mm long.

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

    Type: Japan, Thunberg (UPS).

    Distribution: Pakistan (Baluchistan, N.W.F.P. & Kashmir); Central Europe eastwards to Japan; introduced in the rest of Europe, North America and elsewhere.


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