Herbs, annual or perennial. Leaves alternate or opposite, entire or pinnate, exstipulate. Flowers in terminal cymes, bisexual, actinomorphic, 5-merous, hypogynous. Sepals 5, more or less connate. Corolla of 5 united petals, tubular, funnel-, bell- or salver-shaped, lobes contorted. Stamens 5, epipetalous, free, included or exserted; anthers 2-celled, longitudinal dehiscence. Carpels 3, syncarpous, ovary superior, inserted on a disk, 3-locular, ovules 1 or more in each locule, placentation axile; style 1, filiform, stigmas 3. Fruit a loculicidal capsule.

27 genera and 270-400 species

Phlox drummondii