All Floras      Advanced Search
Page 635 Login | eFloras Home | Help
Pakistan | Family List | Poaceae | Hordeum

Hordeum spontaneum C. Koch in Linnaea. 21:430. 1848. Hook.f., Fl. Brit. Ind. 7:372. 1896; Sultan & Stewart, Grasses W. Pak. 2:338. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 676. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:252. 1968; Bor in Rech.f., Fl. Iran. 70:241. 1970; Tzvelev, Poaceae URSS 199. 1976; Humphries in Tutin et al., Fl. Eur. 5: 204. 1980.

  • Hordeum ithaburense Boiss.

    Annual; culms up to 70 cm high, erect or geniculately ascending. Leaf-blades 5-16 cm long, 4-8 mm wide, glabrous or scabrid and sometimes sparsely hairy. Spike laterally compressed, 4-9 cm long (excluding the awns); rhachis densely hairy on the margins, fragile. Central spikelet sessile; glumes narrowly linear-lanceolate, long-awned, 13-23 mm long including the awn, densely silky hairy; lemma ovate-lanceolate 12-14 mm long, glabrous; awn 4-14 cm long, stout, very scabrid; anthers 23-3 mm long. Lateral spikelets male or vestigial, sessile; glumes like those of the central spikelet; lemma rounded-obtuse at the tip, 7-9 mm long.

    Type locality: Caucasus.

    Distribution: Pakistan (Baluchistan); Mediterranean region eastwards throughout the Middle East to Central Asia.

    The ancestor of two-rowed barley. It is considered poor fodder and can become a serious weed of cereal crops. It is not always easy to distinguish it from two-rowed barley, particularly when the latter is self sown in ruderal sites.


    Related Objects  
  • Illustration (D.E.)
  • Illustration

  •  |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |