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Genus :


Family :


Species of this Genus


Herbs, undershrubs or shrubs. Leaves alternate, simple, entire, serrate or pinnately lobed, usually 2-glandular at the base, stipules small or none. Flowers axillary, solitary, rarely fascicled or in racemes, yellow, peduncles sometimes adnate to the petioles, bracteoles 2 or none. Sepals 5, connate in a campanulate or narrow. Calyx tubular, lobes of limb oblong or linear, imbricate. Petals 5, inserted in calyx throat. Stamens 5, inserted on the calyx below the petals, or sometimes quite hypogynous, filaments free, anthers oblong. Carpels 3, connate in a free, sessile, oblong, 1-celled ovary, ovules many, 2-seriate on 3 placentas, styles 3, quite free or occasionally connate at the base, stigmas flabellately 3-5 or more fid. Fruit a capsule, many-seeded, opening completely by 3-valves.