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Genus :


Family :


Species of this Genus


Annual herbs. Leaves simple, opposite, stipules forming a minute sheath. Flowers small, white or yellow, rarely pale blue, 4-merous, in terminal or axillary cymes. Calyx of 4 sepals, connate below forming a campanulate tube, lobes valvate or reduplicate. Stamens 4, adnate to corolla tube, filaments much longer than the anthers, anthers ovate, base cordate. Carpels 2, united, ovary 2-locular, ovules many in each locule, styles 2. Fruit a subglobose capsule. Seeds many, minute, subglobose.