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Genus :


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Species of this Genus


Herbs or undershrubs. Leaves alternate or opposite, entire, simple, acute. Flowers in short terminal racemes or cymes, regular, 5-merous, blue. Calyx divided nearly to base, segments lanceolate. Corolla widely campanulate, subrotate, lobes imbricate. Stamens 5, attached to short corolla tube, alternate with lobes, filaments filiform, anthers sagittate. Ovary 2-celled, ovules many, styles 2, distinct, stigmas capitate. Capsules globose or ovoid, septicidal or irregularly 4-valved. Seeds minute, numerous, longitudinally ribbed.