بحث

سنديان أشعر

البلوط الأشعر، البلوط التركي، العذر، العِزر

Quercus cerris

الفصيلة بلّوطيّة · Fagaceae

الوصف النباتي

الأوراق
Leaves: Alternate, petiolate; blades oblong to obovate, 60–120 × 25–60 mm, deeply pinnatifid with 6–12 lobes, each triangular and often bristle-tipped; upper surface dark green, glabrous; lower surface greyish-green, initially pubescent.
الأزهار
Inflorescence & flowers: Monoecious. Male flowers in pendulous, yellow-green catkins; female flowers solitary or few in short spikes, axillary.
الثمار والبذور
Fruit: Acorn 20–30 mm, enclosed up to half its length in a densely bristly cupule with long, recurved scales. Matures in 18 months.

الموائل والبيئة

Habitat & ecology: Found in mixed deciduous forests, on hills and lower mountain slopes; tolerates calcareous soils and drier exposures, often forming dominant woodland stands.

التربة والركيزة

مواسم النبات

الفنلوجية
Phenology: Flowers in April–May; acorns ripen by the second autumn.

الانتشار الموثق

Lebanese localities: Recorded in montane oak woods of Mount Lebanon and Anti-Lebanon.

Native range: Southeastern and central Europe to the Levant, including Albania, Austria, Bulgaria, Czechia-Slovakia, East Aegean Islands, France, Greece, Hungary, Italy, Kriti, Lebanon–Syria, NW Balkan Peninsula, Romania, Sicilia, Switzerland, Turkey, Turkey-in-Europe (POWO).

Introduced range: Widely cultivated and naturalized in temperate regions including Belgium, Denmark, Germany, Great Britain, Ireland, New York, New Zealand South, and Poland (POWO).

لمحة نباتية

بنية النبات
Life-form & habit: Large deciduous tree, up to 25–35 m tall, with a broad, irregular crown. Bark dark grey to blackish, deeply fissured with age. Young shoots often pubescent.

الفصيلة والتصنيف

الاسم العلمي المقبول
Quercus cerris
الفصيلة
بلّوطيّة

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.