Sterigmostemum billardierei

الوصف النباتي

الأوراق

Leaves : Alternate, sessile. Basal and lower cauline blades oblanceolate to narrowly spatulate (15 – 35 × 3 – 8 mm), entire or faintly denticulate, apex obtuse; upper leaves gradually smaller, linear-lanceolate. Both surfaces glabrous or with a few scattered simple hairs; dull bluish-glaucous.

الأزهار

Inflorescence & flowers : Terminal racemes dense at anthesis, soon elongating; pedicels 2 – 5 mm. Sepals oblong, greenish-purple; petals 4, bright yellow to pale cream, oblanceolate-clawed, ± 7 × 2 mm. Stamens 6, tetradynamous; filaments partly connate in their lower third, a feature noted by early floral anatomists

الثمار والبذور

Fruit : Silicles oblong-elliptic, slightly torulose, 6 – 10 × 2 – 3 mm, glabrous with inconspicuous lateral veins; style short, persistent. Seeds oblong, c. 1 mm, reddish-brown, mucilaginous when wet.

مواسم النبات

الفنلوجية

Phenology : Flowers and fruits from April to June.

الانتشار الموثق

Leb. Syr.

Lebanese distribution : Confirmed by Mouterde and later collectors in the cedar forest of Jabal Barouk (~ 1 800 m) and the celebrated cedar grove of Jabal Makmel above Bsharré (~ 1 950 m) .

Native range : A narrow Levantine endemic reaching the Anti-Lebanon and Mt Hermon; the Kew POWO record recognises Lebanon–Syria as the native area .

الارتفاع الموثق

الارتفاع

100 m

لمحة نباتية

بنية النبات

Life-form & habit : Low perennial chamaephyte forming lax cushions 10 – 25 cm tall; woody, many-branched caudex; stems erect-ascending, green-grey and almost completely glabrous, giving the plant its characteristic polished look .

دورة الحياة

معمرة

الفصيلة والتصنيف

الاسم العلمي المقبول

Sterigmostemum billardierei

الفصيلة

كرنبية

نباتات من الفصيلة نفسها

Aubrieta libanotica

Barbarea brachycarpa subsp. minor

Erucaria rostrata

قُرَة العَيْن

Nasturtium officinale R.Br.