Diastema affine Fritsch species accepted

Diastema comiferum (DC.) Benth. ex Walp. species accepted

Diastema eggersianum Fritsch species accepted

Diastema fimbratiloba Moonlight & J. L. Clark species accepted

Diastema gymnoleuca Gilli species accepted

Diastema hispidum (DC.) Fritsch species accepted

Diastema kalbreyeri Fritsch species accepted

Diastema latiflorum Rusby species accepted

Diastema maculatum (Poepp.) Benth. ex Walp. species accepted

Diastema purpurascens Rusby species accepted

Diastema racemiferum Benth. species accepted

Diastema scabrum (Poepp.) Benth. ex Walp. species accepted

Diastema sodiroanum Fritsch species accepted

Diastema tenerrimum (Poepp.) Benth. ex Walp. species accepted

Diastema urticifolium (Poepp.) Benth. ex Walp. species accepted

Diastema vexans H. E. Moore species accepted

Diastema weberbaueri Fitschen species accepted

Diastema williamsii Rusby species accepted