Ceratotheca

Endlicher
Linnaea 7: 5. 1832.
Introduced
Etymology: Greek keratos, horned, and theke, case, alluding to barbed fruit
Treatment appears in FNA Volume 17. Treatment on page 361.

Annuals foul smelling. Stems erect or arching, puberulent, hairs glandular and eglandular. Leaves opposite proximally, opposite to subopposite distally. Inflorescences terminal, racemes [axillary, flowers solitary]. Pedicels often without paired nectaries at base; bracteoles present or absent. Flowers: calyx cupulate, lobes narrowly triangular; corolla purple to white; staminode 0(or 1), cylindric; style base not persistent. Capsules flattened, style base not enlarged, with 2, subapical horns. Seeds [20–]30–50, black [to brown], obovoid to pyriform, wings absent. x = 16.

Distribution

Introduced; Fla., c, se Africa.

Discussion

Species 5 (1 in the flora).

Selected References

None.