عرن لبناني

الوصف النباتي

Synonymy & misapplied names: Drosanthe helianthemoides Spach sensu Jaub. & Spach (1842) pro parte, non Spach (1836); Hypericum helianthemoides Spach sensu Boiss. Fl. Or. pro parte, et auct. plur.; H. hyssopifolium subsp. helianthemoides (Spach) Thiébaut (1936) pro parte excl. typo; H. hyssopifolium sensu auct.; H. lydium sensu N. Robson (1967) pro parte excl. syn.

الأوراق

Leaves: Small, 4–15 × 1–2 mm, margin more or less revolute, apex rounded or minutely obtuse-apiculate, often arcuate, densely pellucid-punctate; fascicled on sterile shoots and at the base of flowering stems, not fascicled higher up.

الأزهار

Inflorescence & flowers: Inflorescence elongated, very narrowly pyramidal or subspicate, with minute bracts; branches 1–2(3)-flowered. Calyx 3–4× shorter than corolla, sepals united up to ¼–½, rounded or acute, margin with regular sessile or subsessile small black glands, limb longitudinally pellucid-striate. Petals pale golden-yellow, (4) 6–10 mm, unguiculate, margin shortly black-glandular-ciliate or with subsessile black glands, limb pellucid-punctate. Stamens long, triadelphous.

الثمار والبذور

Fruit: Capsule 4–6(8) mm, ovoid-pyramidal or ovoid, scarcely rostrate, faintly striate, with 3 style bases divergent or recurved. Seeds brown, papillose, curved-cylindric, c. 2 mm.

مواسم النبات

الفنلوجية

Phenology: Flowers May–August.

الانتشار الموثق

Leb. Syr.

Lebanese distribution: Jba‘a-ech-Chouf; above Ma‘asser ech-Chouf; Jabal Barouk; above ‘Aïn Zehalta and Cedars of ‘Aïn Zehalta; Jabal Kneissé; Jabal Sannine; Hasroun; above Yammouneh; Zahlé; Ouadi-el-‘Arayech; Beqa‘a.

Syrian distribution: Anti-Lebanon (above Rachaya, Hermon, Ouadi-el-Harir, Zebdani, Ouadi Abou-el-Hom, Ouadi-el-Qarn).

Type: Lebanon, western slope above ‘Aïn Zehalta, 1,700–1,800 m (Bornmüller 11533, BM holotype; isotypes E, LE).

⚠️ Diagnostic note: Affine to H. retusum Aucher but differs by the absence of black punctation on stems, leaves, sepals, and petals , leaves eglandular at the apex, and petals only shortly black-glandular-ciliate on the margin.

الارتفاع الموثق

الارتفاع

1,700–1,800 m

لمحة نباتية

بنية النبات

Life-form & habit: Perennial, glabrous, suffrutescent, often much-branched at base with numerous sterile leafy shoots. Flowering stems ascending to erect, slender, sparingly leafy above, up to 60 cm tall or more, faintly bilineate.

دورة الحياة

معمرة

الفصيلة والتصنيف

الاسم العلمي المقبول

Hypericum libanoticum

الفصيلة

عرنية

نباتات من الفصيلة نفسها

Hypericum tetrapterum

عرن ضعيف الكأسيات

Hypericum amblysepalum

عرن ماعزي

Hypericum hircinum

عشبة الجرح

Hypericum lanuginosum