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Genus :


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Species of this Genus


Annual or biennial herbs, with white latex. Stem erect, solitary or branched from the base, glabrous. Leaves usually all radical, rarely cauline, petioled or sessile, linear or linear-lanceolate, sagittate, acute or obtuse, entire or sinuate-toothed. Inflorescence usually subumbellate corymb, erect, cylindric. Involucral bracts in 2-3 series, equal or unequal, outer very minute, ovate or obovate, inner linear-oblanceolate. Florets all ligulate, ligule 5-toothed. Corolla usually bright yellow. Stamens 5, anthers pinkish or yellow, syngenesious. Style slender, stigma bifid. Achene usually elliptic-lanceolate or somewhat rounded and angular, pale brown or dark brown. Pappus simple or white.