Achnatherum bromoides

الوصف النباتي

Inflorescence & spikelets: Panicle large, open, and flexuous, 15–30 cm long, with capillary branches bearing 1–3 distant spikelets. Spikelets solitary, 10–15 mm, with a single bisexual floret; glumes subequal, narrowly lanceolate, glabrous, exceeding the lemma. Lemma lanceolate, 6–8 mm, scabrid on the back, shortly bifid at the apex, bearing a geniculate awn 10–15 mm long, twisted at the base and scabrous above. Palea shorter than lemma, hyaline.

الأوراق

Leaves: Mainly basal; blades linear, flat or involute when dry, 10–30 cm long, 2–5 mm wide, glabrous to sparsely scabrous on margins; sheaths smooth or slightly striate; ligule membranous, truncate or slightly toothed, 1–2 mm long.

الثمار والبذور

Fruit: Caryopsis narrowly ellipsoid, smooth, 3–4 mm, pale brown; hilum linear.

مواسم النبات

الفنلوجية

Phenology: Flowers from April to June; fruits mature in summer.

الانتشار الموثق

Lebanese distribution: Recorded by Mouterde from Beqaa Valley and Mount Lebanon foothills — Zahlé, Dahr el-Baïdar, and Ras Baalbeck; also present near Barouk and Maasser el-Shouf.

Native range: Albania, Bulgaria, Corse, Cyprus, East Aegean Islands, France, Greece, Hungary, Iran, Iraq, Italy, Kriti, Krym, Lebanon–Syria, Morocco, North Caucasus, NW. Balkan Peninsula, Palestine, Portugal, Romania, Sardegna, Sicilia, Spain, Transcaucasus, Türkiye, Türkiye-in-Europe (POWO).

Introduced range: Germany (POWO).

الارتفاع الموثق

الارتفاع

800 m

لمحة نباتية

بنية النبات

Life-form & habit: Perennial tufted grass forming loose clumps 40–100 cm tall. Culms erect or geniculate at the base, slender, smooth, and glabrous below the nodes.

دورة الحياة

معمرة

الفصيلة والتصنيف

الاسم العلمي المقبول

Achnatherum bromoides

الفصيلة

نجيلية

نباتات من الفصيلة نفسها

Imperata cylindrica

Lolium rigidum

بوص جنوبي

Phragmites australis subsp. australis (Cavanilles) Trinius ex Steudel

مكانس

Piptatherum miliaceum E.Fourn., 1866