Amaranthus albus

الوصف النباتي

الأوراق

Leaves: Small, glabrous or nearly so, not exceeding 2 × 1 cm, rather long-petioled; blade thin, undulate-crispate on margins, oval to subspatulate, base attenuate, apex rounded-obtuse, shortly mucronate-aristulate.

الأزهار

Inflorescence & flowers: All flowers in axillary glomerules, sometimes pauciflorous. Bracteoles subulate, rigidly spinose, twice as long as the flowers. Sepals of two forms: 3 narrowly acuminate-spinulose, and 3 oblong-linear, obtuse.

الثمار والبذور

Fruit: Capsule c. 1 mm; seed black, glossy.

مواسم النبات

الفنلوجية

Phenology: Flowers June–December.

الانتشار الموثق

Lebanese distribution: Beirut and suburbs (Bouchriyé, Saint-Élie), Beqaa (Metn), Banias (South Lebanon).

Syrian distribution: Aleppo, Chahba, Hauran (Ezra‘a), banks of the Tigris near the Roman bridge.

Native range: Southeastern USA and NE Mexico — Alabama, Arizona, California, Florida, Georgia, Kentucky, Louisiana, Mexico Northeast, Mississippi, Nevada, New Mexico, North Carolina, South Carolina, Texas, Utah, Virginia (POWO).

Introduced into: Widely naturalized across Europe, Asia, North Africa, South America, and Australasia (full POWO list includes: Afghanistan, Algeria, Argentina, Bangladesh, China, Cyprus, Egypt, France, Germany, Great Britain, Greece, Iran, Iraq, Italy, Japan, Kazakhstan, Korea, Lebanon–Syria, Libya, Morocco, Mongolia, New Zealand, Palestine, Portugal, Spain, Tunisia, Turkey-in-Europe, Uruguay, Uzbekistan, etc.).

لمحة نباتية

بنية النبات

Life-form & habit: Annual, erect or decumbent herb up to 60 cm; stems white, glabrous or slightly reddish, sometimes papillose-scabrid.

دورة الحياة

حولية

الفصيلة والتصنيف

الاسم العلمي المقبول

Amaranthus albus

الفصيلة

قَطيفيّة

نباتات من الفصيلة نفسها

سويد

Suaeda fruticosa (L.) Forssk.

ملاح

Atriplex halimus

غبيرية

Chenopodium album

صر نقطي

Noaea mucronata