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DescriptionHerbs, subshrubs or shrubs. Stipules entire, subulate and glandular. Leaves simple, alternate or opposite; base cuneate. Flowers solitary, axillary. Flowers zygomorphic. Sepals 5, almost equal. Petals 5, unequal, the anterior petal usually much larger than the others, spurred and unguiculate. Fruit a loculicidal capsule with 3 valves, keeled along the suture. Seeds spherical-ovoid with a small aril.