خس صفصافي

الوصف النباتي

الأوراق

Leaves: Basal leaves oblanceolate, 5–20 × 0.5–3 cm, entire or lobed, soon withering; cauline leaves alternate, narrow, linear-lanceolate, entire or irregularly toothed, sessile, and semi-amplexicaul, clasping the stem with auriculate bases.

نوع الورقة

مقسمة بعمق؛ ريشية

الأزهار

Inflorescence & flowers: Panicle branched, narrow, and elongated with numerous small capitula. Heads 8–10 mm across, each with 5–12 ligulate florets; ligules pale yellow, sometimes tinged bluish beneath. Involucre cylindrical, 7–10 mm long; phyllaries in two series, glabrous, green with narrow scarious margins.

الثمار والبذور

Fruit: Achenes compressed, oblong, 3–4 mm long, dark brown with 5–10 longitudinal ribs; pappus white, scabrid, 5–7 mm long, easily detached.

مواسم النبات

الإزهار

تمّوز إلى تشرين الأوّل

الفنلوجية

Phenology: Flowers from May to August; fruits mature from June to September.

جمع البذور

أيلول إلى كانون الأوّل

الحصاد

آب إلى أيلول

الانتشار الموثق

Lebanese distribution: Widespread across Lebanon — recorded by Mouterde from the coastal plains, Beqaa Valley, and Mount Lebanon foothills (Barouk, Zahlé, Dahr el-Baïdar); locally common in ruderal and steppe vegetation.

Native to: Albania, Algeria, Austria, Azores, Baleares, Belgium, Bulgaria, Central European Russia, Corse, Cyprus, Czechia-Slovakia, East Aegean Is., East European Russia, Egypt, France, Germany, Great Britain, Greece, Hungary, Iran, Iraq, Italy, Kriti, Krym, Lebanon-Syria, Morocco, Netherlands, North Caucasus, NW. Balkan Pen., Palestine, Portugal, Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, South European Russia, Spain, Switzerland, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine (POWO).

Introduced into: Alabama, Arizona, Arkansas, California, Delaware, District of Columbia, Georgia, Gulf States, Illinois, Indiana, Iowa, Kansas, Kazakhstan, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Missouri, Nebraska, Nevada, New Jersey, New Mexico, New South Wales, New York, Norfolk Is., North Carolina, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Poland, Primorye, Queensland, Québec, South Australia, South Carolina, Tasmania, Tennessee, Texas, Uruguay, Victoria, Virginia, Washington, West Virginia, Western Australia, Wisconsin (POWO).

الارتفاع الموثق

الارتفاع

500 m

لمحة نباتية

بنية النبات

حولية، Life-form & habit: Annual or biennial herb, 30–120 cm tall, erect, glabrous or sparsely scabrid, often with a single main stem that branches only above. Latex abundant, white.

دورة الحياة

نبات سنوي

الفصيلة والتصنيف

الاسم العلمي المقبول

Lactuca saligna

الفصيلة

نجمية

الجنس

خَس

من تاريخ الاستعمال الطبي

روايات استعمال تقليدي؛ لا تُعد دليلًا على فعالية سريرية أو توصية علاجية.

نباتات من الفصيلة نفسها

Astartoseris triquetra

قُرطُم نحيل

Carthamus tenuis (Boiss. & Blanche) Bornm.

القنطريون الكحلي

Centaurea cyanoides Berggr. & Wahlenb.

قنطريون أيبيري

Centaurea iberica Spreng.