بحث

Onosma sanninensis

الفصيلة حمحمية · Boraginaceae

الوصف النباتي

Style & fruit : Style 3–4 mm long, clearly exserted from the corolla; stigma small, distinctly bilobed. Nutlets ovoid, 5 × 3 mm, with acute beaked apex, ventrally keeled, papillate, shiny, pale greenish.

الأوراق
Leaves : Basal leaves forming a rosette; largest blades 4–5 cm long, up to 1.8 cm wide, spathulate to oblanceolate, obtuse or subobtuse. Cauline leaves alternate, up to 3.5 × 1.6 cm, oblanceolate, progressively smaller toward the inflorescence. Lower (older) leaves show signs of senescence, becoming silver-white or canescent as they desiccate.
الأزهار
Inflorescence & flowers : Terminal cymes, typically uniparous but often biparous, with 5–15 flowers. In dichasial cymes, a solitary flower usually occupies the central position at the bifurcation point, forming a diagnostic V-shape—though rarely replaced by a flower pair. Pedicels 1–3 mm in flower, up to 6 mm in fruit. Bracts linear-lanceolate to narrowly linear, 3–7 mm, equal to or longer than pedicels.، Calyx : Deeply 5-lobed; lobes linear, acute, 17 mm long at anthesis, accrescent to 22 mm in fruit, densely covered with white, appressed, bristly hairs.، Corolla : Tubular-campanulate, 22–24 × 5 mm; exterior papillate with minor pilosity below lobes. Lobes acuminate and revolute; initially bright yellow, aging through orange-red-brown to dark purple-blue.، Stamens : Filaments ca. 4 mm long; anthers linear, up to 7 mm, basifixed.

الانتشار الموثق

Endemic to Lebanon

Distribution : A micro-endemic species restricted to the summit region of Mount Sannine, central Lebanon. Known only from a narrow elevational band between 1,750 and 2,100 m.

لمحة نباتية

بنية النبات
Life-form & habit : Perennial herb, loosely woody at the base. Stems erect, multiple from the base, 15–25 cm tall, brownish-red in color. Stem indumentum composed of both white, patent, short fine hairs and longer, more conspicuous ones.
دورة الحياة
معمرة

الفصيلة والتصنيف

الاسم العلمي المقبول
Onosma sanninensis
الفصيلة
حمحمية

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المظهر
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معاينة مباشرة

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رَمِيمَ، وَهَلْ يُنْسَى رَبِيعٌ وَصَيِّفُ

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