Pterocephalus plumosus

الوصف النباتي

الأوراق

Leaves: Basal leaves forming a rosette, pinnatifid to pinnatisect, 5–15 × 1–3 cm, with narrow, linear to lanceolate lobes, margins entire or slightly undulate. Cauline leaves smaller, less divided, sessile, and decurrent along the stem. Both surfaces greyish-tomentose.

الأزهار

Inflorescence & flowers: Capitula solitary or few, terminal, 2–3 cm in diameter. Involucre campanulate with numerous narrow, imbricate bracts; outer bracts linear-lanceolate, often tinged purplish. Corolla pink to lilac, zygomorphic, 5-lobed, outer florets larger and radiant. Calyx with long plumose, feathery bristles — a distinctive feature of the species.

الثمار والبذور

Fruit: Achene cylindrical to oblong, crowned by the persistent feathery calyx forming a plume-like structure aiding wind dispersal.

مواسم النبات

الفنلوجية

Phenology: Flowers from May to August; fruits mature from June to September.

الانتشار الموثق

Lebanese distribution: Reported by Mouterde from Mount Lebanon and Anti-Lebanon — notably Dahr el-Baïdar, Barouk, Falougha, Zahlé, and Ras Baalbeck; also found on the foothills of Jabal Sannine and the Hermon range.

Native range: Albania, Bulgaria, East Aegean Islands, Egypt, Greece, Iran, Iraq, Kriti, Krym, Lebanon–Syria, North Caucasus, NW. Balkan Peninsula, Palestine, Sinai, Transcaucasus, Turkmenistan, Türkiye, Türkiye-in-Europe (POWO).

الارتفاع الموثق

الارتفاع

800 m

لمحة نباتية

بنية النبات

Life-form & habit: Perennial herb forming loose tufts, 20–60 cm tall, with a woody rootstock and slender, erect to ascending stems. Stems branched above, whitish or grey-green, covered with short, appressed hairs.

دورة الحياة

معمرة

الفصيلة والتصنيف

الاسم العلمي كما ورد

Pterocephalus plumosus

الفصيلة

خمانية

القبول التصنيفي للاسم لم يُحسم في هذه النسخة.

نباتات من الفصيلة نفسها

Centranthus longiflorus

Cephalaria joppensis

سيوان يافا

Cephalaria joppensis (Rchb.) Coult.

سيوان سوري

Cephalaria syriaca (L.) Schrad.