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Pakistan | Family List | Poaceae

Brachypodium P. Beauv., Ess. Agrost. 100. 1812. Boiss., Fl. Or. 5:657. 1884; Hook. f., Fl. Brit. Ind. 7:362. 1896; Rozhev. & Shishkin in Kom., Fl. URSS 2: 593. 1934; Bor, Fl. Assam 5:63. 1940; Sultan & Stewart, Grasses W. Pak. 2:202. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 449. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:166. 1968; Bor in Rech. f., Fl. Iran. 70:143. 1970; Tzvelev, Poaceae URSS 102. 1976; Smith in Tutin et al., Fl. Eur. 5:189. 1980.

  • Trachynia Link

    Tufted or rhizomatous perennials, rarely annual. Leaf-blades flat and thin or stiff and convolute. Inflorescence a raceme, the pedicels 1-3 mm long. Spikelets 6-22-flowered; glumes 3-7-nerved; lemmas usually awned, rarely apiculate; palea a little shorter than the lemma, ciliolate on the keels, truncate.

    A genus of about 17 species centred on the Mediterranean, extending into temperate Europe and Asia and tropical highlands of both hemispheres; 2 species occur in Pakistan.

    A homogeneous genus whose species have very similar spikelets and are distinguished mainly by vegetative characters. The species themselves are rather variable, and tend to intergrade one with another.

    1 Perennial; inflorescence of several spikelets evenly spaced along an elongated rhachis; spike lets terete, green; anthers 3.5-4 mm   Brachypodium sylvaticum
    + Annual; inflorescence of few (1-3) spikelets crowded at the tip of the peduncle; spikelets compressed, often glaucous; anthers 0.5-1mm   Brachypodium distachyon

    Lower Taxa

    Related Synonym(s):


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