Annual or perennial herbs.
Stipules present, membranous. Leaves opposite, often in
false whorls. Inflorescences of axillary or terminal many-flowered cymes.
Sepals 5, with a broad, green, strongly marked keel and
scarious margins. Petals much shorter than the
sepals, up to 5 or occasionally 0, entire or emarginate.
Stamens 3-5. Styles united below, with 3 arms. Capsule
3-valved. Worldwide: 16 species, cosmopolitan Mozambique: 1 taxon. |
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