Launaea angustifolia (Desf.) Kuntze / Heterotypic Synonyms: Launaea angustifolia ssp. arabica (Boiss.) N.Kilian , Launaea foxii (Post) Eig, it is an annual or biennial, erect, herbaceous, up to 3-20 (-25) cm, glabrous. Stems 1-few, simple or branched above. Leaves mostly basal. Basal leaves (10-) 25-80 mm. oblong lanceolate in outline, pectinate-pinnatifid, attenuate at base into a short, winged petiole; lobes oblong, acute, margins and apex with white, callous, distant teeth. Cauline leaves similar, smiler, sessile auriculate. Capitula solitary, terminal or rarely few in lax corymb on the end of long peduncles, broadly ovate to sub globose. Peduncles up to 6 cm, with few peduncular bracts. Peduncular bracts 1.5-2.5 mm. ovate, clasping the peduncle. Involucre 10-13 x 8 x 10 mm. broadly ovoid to sub globose. InvolucraI bracts herbaceous. Outer involucral bracts 2.5-4 x 2.0-3.5 mm. ovate to nearly suborbicular, margins undulate but not distinctly scarious, obtusely white or brownish callous-tipped. Inner involucral bracts 8-12 (-13) x 3-4.5 mm. ovate to elliptic-oblong; margins narrowly brown, scarious; apex obtuse with or without a white callous apical appendage. Cypsela 2-2.5 mm. shorty winged at angles, obscurely 5-6 ribbed. transversely finely rugose and silky hairy; base with 4, obtuse, small teeth; wings less than 1 mm wide, ± hirsute; apex truncate; peripheral cypsela dorsally convex; inner cypsela ± irregularly 4-angled; pappus 5-5.5 mm. silky hairy, brownish-white, with a distinct, dark coloured basal annular ring, persistent.
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