Family |
Poaceae
Avena fatua
L.
Avena fatua L.
(Sp. Pl.: 80, 1753; Nouvelle Flore du Liban et de la Syrie, vol. 1, p. 82; 1966)
• Life-form & habit: Annual grass, stems (chaumes) up to 1 m tall; ligule 3–5 mm, eroded-dentate. Panicle long-pedunculate, spreading in all directions. Spikelets 2–3-flowered, usually all with awns; rachilla hairy. Glumes 2.5–3 cm.
• Inflorescence & flowers: Panicle diffuse, widely spreading. Spikelets with 2–3 florets, all fertile and awned. Lemmas with strong geniculate, twisted awns.
• Fruit: Caryopsis enclosed in the lemma and palea, dispersing with parts of the spikelet at maturity.
• Phenology: Flowers March–May .
• Habitat & elevation: Fields, disturbed ground, fallows.
• Lebanese distribution: Ehden
• Syrian distribution: No verified records given by Mouterde.
• Native range: Afghanistan, Albania, Algeria, Altay, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bulgaria, Canary Islands, Cape Verde, Central European Russia, China (NC, SC, SE), Corse, Czechia-Slovakia, Denmark, East European Russia, East Himalaya, Egypt, Finland, France, Germany, Gulf States, Hungary, India, Inner Mongolia, Iran, Iraq, Irkutsk, Italy, Kazakhstan, Kirgizstan, Krasnoyarsk, Krym, Kuwait, Lebanon–Syria, Libya, Madeira, Manchuria, Mongolia, Morocco, Nepal, Netherlands, North Caucasus, North/NE/NW European Russia, Norway, NW. Balkan Peninsula, Oman, Pakistan, Palestine, Poland, Portugal, Qinghai, Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, South European Russia, Spain, Sri Lanka, Sweden, Switzerland, Tadzhikistan, Taiwan, Tibet, Transcaucasus, Tunisia, Turkmenistan, Tuva, Turkey, Turkey-in-Europe, Ukraine, Uzbekistan, West Himalaya, West Siberia, Xinjiang, Yemen (POWO).
• Introduced into: Widely naturalized across North and South America, Africa, Australasia, Pacific Islands, and parts of Europe and Asia (full POWO list includes: North and South America from Canada to Argentina, South Africa, Australia, New Zealand, Japan, Philippines, etc.) — see detailed enumeration in POWO.
• Recorded in error: Jawa (POWO).