بيان
𖣔زخرف

Cuscuta planiflora

الفصيلة نجمة الصباح · Convolvulaceae

الوصف النباتي

الأوراق
Leaves: Reduced to minute, triangular or ovate scales, 0.3–0.5 mm long, translucent and sessile.
الأزهار
Inflorescence & flowers: Small, sessile or shortly pedicellate clusters of 3–10 flowers, forming compact, often glomerulate cymes. Calyx hemispheric, 4–5-lobed, lobes ovate, obtuse. Corolla campanulate to rotate, 2–3 mm wide, white to cream, lobes short, broadly triangular. Stamens 5, inserted near the base of the corolla lobes; scales small, truncate, slightly fringed, placed halfway up the tube. Styles 2, short, free or slightly united at the base; stigmas capitate.
الثمار والبذور
Fruit: Capsule globose, slightly depressed at the apex, circumscissile (opening transversely), 2–3 mm in diameter; seeds 4, ovoid, brown, smooth to faintly rugulose.

الموائل والبيئة

وصف الموئل

Habitat & elevation: Parasitic on a wide range of annual and perennial hosts, especially in dry fields, roadsides, and open scrub, from sea level to 1 500 m; prefers sunny, disturbed habitats on calcareous or sandy soils.

مواسم النبات

الفنلوجية
Phenology: Flowers and fruits from April to August, depending on altitude and host availability.

الانتشار الموثق

Lebanese distribution: Recorded by Mouterde from various regions of Mount Lebanon and the Beqaa — notably Zahlé, Barouk, Dahr el-Baïdar, and Ras Baalbeck; parasitic on Medicago , Heliotropium , and Salsola species in steppe and open scrubland.

Doubtfully present in: East Aegean Is.

Native to: Afghanistan, Albania, Algeria, Angola, Baleares, Bulgaria, Canary Is., Cape Verde, Chad, Corse, Cyprus, Egypt, Eritrea, Ethiopia, France, Greece, Gulf States, India, Iran, Iraq, Italy, Kenya, Kriti, Krym, Lebanon-Syria, Libya, Madagascar, Madeira, Morocco, Namibia, Northern Provinces, NW. Balkan Pen., Oman, Palestine, Portugal, Romania, Rwanda, Sardegna, Saudi Arabia, Sicilia, Sinai, Socotra, Somalia, Spain, Sudan-South Sudan, Tanzania, Transcaucasus, Tunisia, Türkiye, Uganda, West Himalaya, Yemen, Zambia, Zimbabwe (POWO).

Introduced into: Germany, South Australia, Victoria, Western Australia (POWO).

الارتفاع الموثق

الارتفاع
500 m

لمحة نباتية

بنية النبات
Life-form & habit: Annual leafless parasitic herb with slender, filiform, yellow to orange stems, 0.2–0.5 mm thick, twining over host plants. Haustoria numerous, penetrating the host tissues to absorb nutrients. Plant forms dense tangles on various shrubs and herbs.
دورة الحياة
حولية

الفصيلة والتصنيف

الاسم العلمي المقبول
Cuscuta planiflora
الفصيلة
نجمة الصباح

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.