15; see text Graptophyllum is a genus of plants in the family Acanthaceae.
It includes 15 species with a disjunct distribution, with one species (Graptophyllum glandulosum) native to tropical Africa, and the others to New Guinea, Queensland, and the southwest Pacific Islands.
[1] 15 species are accepted: This Acanthaceae article is a stub.
You can help Wikipedia by expanding it.