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Genus :


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Species of this Genus


Annual or perennial, erect or procumbent herbs. Stem hairy or glandular, sometimes rooting at nodes. Leaves simple or pinnatisect, opposite, short petioled. Capitula solitary on long peduncles, terminal, heterogamous. Bracts 2-3 seriate, outer ones herbaceous, inner ones scarious. Outer ray-florets female, ligule 2-3 dentate, whitish-yellow or pale yellow, disc-florets tubular, yellow. Anther base sagittae with ovoid apical appendages. Cypsela turbinate or oblong, silky villous, pappus slender, plumose.