An erect annual or biennial herb ; up to 2 . 5 m tall . Stems solitary , robust , simple below and branching above , glabrous to ± densely spinulose in the lower part , sometimes strongly so , leafy . Leaves ± appressed to the stem , sessile , broadly elliptic in outline and runcinate-pinnate . Inflorescences on slender , bracteate stalks up to c . 4 cm long . Flowers c . 14 per capitulum ; corollas yellow , c . 9 mm long , tubes slender , ± densely pilose about the mouth . Fruits achenes , 3 x 1 mm , oblanceolate , somewhat laterally compressed , broadly-ribbed on the margins and narrowly c . 5-ribbed on each face , pale-or greyish-brown . Seeds pappus several-seriate of numerous white , barbellate setae c . 4 mm . long . (Ref . POWO ; 2023) .
No Data
Not Evaluated (NE)
Not Common
الوصف غير متاح حاليًا
Lactuca sativa subsp. serriola (L.) Frietema
Lactuca scariola L.
No data
maintenanceAr.Item1 maintenanceAr.Item3
Prickly Lettuce
China Lettuce
Compass Plant
Wild Lettuce
Milk Thistle
orse thistle
Whip Thistle
Wild Opium
Scarole
Not used traditionally.
*Ghazanfar, S. (2015). Flora of the Sultanate of Oman, vol.3: Loganiaceae – Asteraceae. Meise, National Botanic Garden of Belgium (Scripta Botanica Begica, Vol. 25). ISBN 9789082352511 ISSN 0779-2387.*https://en.wikipedia.org *http://southwestdesertflor *POWO (2023). ""Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.plantsoftheworldonline.org