Bidens pilosa

الوصف النباتي

الأزهار

Inflorescence & flowers : Capitula radiate, on erect peduncles; involucral bracts all appressed, equal, acute at apex, scarious-margined, as long as the flowers but overtopped by the achenes. Marginal florets with broad, white, ovate ligules, often caducous. Central florets yellow. Fruit : Achenes blackish, with 2–4 apical barbed awns. Phenology : Flowers from October to January. Habitat & elevation : Cultivated ground. Lebanese distribution : Ct. Furn el-Chebbak, Hazmiyé, Pont du Pacha, aqueduct of Nahr Beyrouth. Regional range : Tropical and subtropical countries; adventive in many warm temperate regions

لمحة نباتية

بنية النبات

Life-form & habit : Erect, much-branched annual, 50–100 cm tall. Leaves : Pinnatifid to pinnatisect, rarely entire.

دورة الحياة

حولية

الفصيلة والتصنيف

الاسم العلمي المقبول

Bidens pilosa

الفصيلة

نجمية

نباتات من الفصيلة نفسها

Astartoseris triquetra

قُرطُم نحيل

Carthamus tenuis (Boiss. & Blanche) Bornm.

القنطريون الكحلي

Centaurea cyanoides Berggr. & Wahlenb.

قنطريون أيبيري

Centaurea iberica Spreng.