بحث

Ptilostemon chamaepeuce

الفصيلة نجمية · Asteraceae

الوصف النباتي

الأوراق
Leaves: Alternate, sessile, lanceolate to oblong, 5–15 × 1–3 cm, deeply sinuate or pinnatifid, with spiny-dentate lobes and a strong white midrib beneath. Upper surface green and slightly scabrid, underside whitish-tomentose. Margins with stiff yellowish spines up to 3 mm long.
الأزهار
Inflorescence & flowers: Capitula solitary or in small terminal clusters, 2–3 cm in diameter, surrounded by a dense involucre of rigid, imbricate bracts. Outer bracts ovate-lanceolate with spiny tips; inner ones purplish and narrow. Florets all tubular, reddish-purple, exserted, forming a compact head. Receptacle densely bristly.
الثمار والبذور
Fruit: Achenes oblong, 4–5 mm long, striate, glabrous; pappus of long, scabrid, unequal white bristles, easily detached at maturity.

الموائل والبيئة

Habitat & elevation: Dry rocky slopes, phrygana, and open scrub on limestone or marl, 300–1 600 m. Common on sunny hillsides and along forest edges.

التربة والركيزة

الرطوبة

الإضاءة

  • مواقع مشمسة

مواسم النبات

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

الانتشار الموثق

Lebanese distribution: Recorded by Mouterde from Mount Lebanon and Anti-Lebanon — notably Dahr el-Baïdar, Barouk, Zahlé, Ras Baalbeck, and along the slopes of Jabal Sannine and the Beqaa Valley.

Native range: Albania, Cyprus, East Aegean Islands, Greece, Kriti, Lebanon, Syria, Palestine, Türkiye (POWO).

الارتفاع الموثق

الارتفاع
600 m

لمحة نباتية

بنية النبات
Life-form & habit: Perennial subshrub 30–100 cm tall, forming dense, woody-based clumps with several erect to ascending stems. Stems striate, branched above, greyish-green, covered with fine tomentum and minute spinescent hairs.
دورة الحياة
معمرة

الفصيلة والتصنيف

الاسم العلمي المقبول
Ptilostemon chamaepeuce
الفصيلة
نجمية

نباتات من الفصيلة نفسها

المظهر
خط النص
حجم النص
صغير100%كبير
معاينة مباشرة

وقد كان في الهجران لو كنتَ ناسِيًا
رَمِيمَ، وَهَلْ يُنْسَى رَبِيعٌ وَصَيِّفُ

Salvia lanigera Poir.