Heteranthelium piliferum

الوصف النباتي

الأوراق

Leaves: Leaf blades flat or loosely involute, 2–6 cm long, 1–2 mm wide, green to bluish-green, sparsely pubescent near the margins; ligule short, membranous, truncate or slightly ciliate. Sheaths glabrous, overlapping, the lower often pilose near the collar.

الأزهار

Inflorescence & flowers: Spike simple, slender, 2–4 cm long, with 3–6 distant spikelets, each sessile on the rachis. Spikelets laterally compressed, 10–15 mm long, containing 3–4 florets, the uppermost sterile. Glumes subequal, narrow, keeled, scabrid along the back, tapering to a fine point. Lemmas with a short awn (1–2 mm) or awnless, often pilose near the keel; palea shorter, membranous. Anthers 3, yellow.

الثمار والبذور

Fruit: Caryopsis narrowly oblong, 3–4 mm long, pale brown, smooth and glossy at maturity.

مواسم النبات

الفنلوجية

Phenology: Flowers and fruits from March to May.

الانتشار الموثق

Lebanese distribution: Recorded by Mouterde from the Beqaa Valley and lower slopes of Mount Lebanon , particularly Dahr el-Baïdar , Ras Baalbeck , and Anjar ; locally frequent in dry cereal fields and steppe vegetation.

Native to: Afghanistan, Iran, Iraq, Kazakhstan, Kirgizstan, Lebanon-Syria, Pakistan, Palestine, Tadzhikistan, Transcaucasus, Turkmenistan, Türkiye, Uzbekistan (POWO).

Introduced into: Germany (POWO).

الارتفاع الموثق

الارتفاع

800 m

لمحة نباتية

بنية النبات

Life-form & habit: Annual grass, 10–35 cm tall, delicate and tufted, forming small, lax clumps. Culms slender, erect or geniculate at the base, smooth, glabrous, and often tinged reddish at the nodes.

دورة الحياة

حولية

الفصيلة والتصنيف

الاسم العلمي المقبول

Heteranthelium piliferum

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