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Pakistan | Family List | Poaceae

Oplismenus P. Beauv., Fl. Owar. 2:14, t.68/1. 1810. Boiss., Fl. Or. 5:441. 1884; Hook. f., Fl. Brit. Ind. 7:65. 1896; Blatter & McCann, Bombay Grasses 152. 1935; Bor, Fl. Assam 5:262. 1940; Sultan & Stewart, Grasses W. Pak. 1:48. 1958; Bor, Grasses Burma Ceyl. Ind. Pak. 315. 1960; Bor in Rech. f., Fl. Iran. 70:484. 1970; Tzvelev, Poaceae URSS 654. 1976; Davey & Clayton in Kew Bull. 33(1):147-157. 1978; Clayton in Tutin et al., Fl. Eur. 5:261. 1980.

  • Hoplismenus Hassk.
  • Orthopogon R. Br.

    Annuals or perennials; culms weak, trailing or scrambling, often with aerial roots from the nodes, the internodes mostly with a decurrent villous line adaxial to the subtending leaf. Leaf-blades broadly linear to ovate, often minutely cross-veined. Inflorescence composed of racemes borne along a central axis; rhachis narrow, bearing paired spikelets, their lower glume abaxial. Spikelets lanceolate to oblong; glumes subequal, half to three-quarters as long as the spikelet, both or at least the lower awned; lower floret barren (rarely male), usually without a palea; upper lemma subcoriaceous, its margins broadly clasping the sides of the palea. Caryopsis oblong.

    A genus of 5 species throughout the tropics; 3 species occur in Pakistan.

    1 Awns scaberulous   Oplismenus burmanii
    + Awns smooth and viscid   (2)
    2 (1) Spikelets distant, adjacent pairs on the lowest raceme 4-12 mm apart; lowest raceme 2.5-10 cm long   Oplismenus compositus
    + Spikelets contiguous, adjacent pairs on the lowest racemes 0.5-4 mm apart; lowest raceme 0.5-3 cm long   Oplismenus undulatifolius

    Lower Taxa

    Related Synonym(s):


    Related Objects  

    Flora of China  
  • Oplismenus.pdf
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