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A Naturalized Photo: Preetha P.S.
Common name: Ogiera
Botanical name: Eleutheranthera ruderalis    Family: Asteraceae (Sunflower family)
Synonyms: Kegelia ruderalis, Ogiera ruderalis

Ogiera is an annual herb with stem becoming hairless. Leaves are 2.5-5.5 x 2-3.5 cm, ovate or ovate-oblong, base wedge-shaped, sometimes oblique, tip pointed or nearly blunt, velvet-hairy on both surfaces, 3-nerved from base; leaf-stalk up to 1 cm long. Flowers-heads are 6-12-flowered, in leaf-axils, homogamous, non-rayed; flower-cluster-stalk 0.2-1 cm long, erect at first, becomes curved in fruit. Involucral bracts are in 2 series, outer leafy, 5-8 x 2-3 mm. Flowers are bisexual. Flower are yellow, tubular, 3-4 mm long, 5-lobed. Anthers are arrow shaped at base. Seedpods are 3-3.5 mm long, obovoid, slightly angled, tubercled, finely velvet-hairy. Ogiera is native to Tropical America, naturalized in India.

Identification credit: Preetha P.S. Photographed in Kollam, Kerala.

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