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DescriptionHerbs or shrubs. Flowers either solitary and axillary or in axillary and terminal racemes. Epicalyx of 7-10 filiform to linear bracts. Calyx 5-lobed or -toothed. Corolla white, purple or pink. Ovary 5-locular; ovules 1 per loculus. Fruit a capsule, this depressed-spherical with 5 prominent angles.