7541.000 Dopatrium Buch.-Ham.

Annual herbs, erect, mostly glabrous. Leaves opposite, mostly small, closely arranged at base of stem; cauline leaves much reduced in size, few. Flowers solitary in axils of upper leaves. Calyx 5-lobed; corolla bilabiate, tube often dilated at throat, upper lip bilobed, lower trilobed, all lobes spreading. Fruit a capsule ovoid or globose, small, loculicidally dehiscent. Seeds small, numerous.

Worldwide: 20 species in tropical Africa, Asia and Australia.

Botswana: 1 taxon.