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Botany Biology Phenology Ecology Distribution
Description : | Terrestrial, annual, erect herb, not rooting at nodes. Taproot white or brown. Stems rounded or quadrangular, solid, glabrous. Stipules absent. Leaves alternate, trifoliolate, opposite, stalked, leaflets lanceolate or ovate, more than 2 cm long/wide, hairy, margin coarsely dentate, apex acute, base acute, pinnately-veined. Leaf sheath absent. Flowers bisexual grouped together in a terminal head, with tubular and ligulate flowers, sessile, ligulate flower white, tubular ones yellow or orange. Fruit an achene, with pappus. |