Scleromitrion (Wight & Arn.) Meisn.

Native to:

Aldabra, Andaman Is., Angola, Assam, Bangladesh, Benin, Bismarck Archipelago, Borneo, Botswana, Burkina, Burundi, Cabinda, Cambodia, Cameroon, Caroline Is., Central African Republic, Chad, China South-Central, China Southeast, Comoros, Congo, East Himalaya, Equatorial Guinea, Ethiopia, Fiji, Gabon, Ghana, Gilbert Is., Guinea, Guinea-Bissau, Gulf of Guinea Is., Hainan, India, Ivory Coast, Japan, Jawa, Kazan-retto, Kenya, Korea, Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mozambique, Myanmar, Namibia, Nansei-shoto, Nepal, New Caledonia, New Guinea, New South Wales, Nicobar Is., Nigeria, Northern Provinces, Northern Territory, Philippines, Queensland, Rwanda, Senegal, Sierra Leone, Solomon Is., Sri Lanka, Sudan, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Togo, Uganda, Vanuatu, Vietnam, Western Australia, Zambia, Zaïre, Zimbabwe

Introduced into:

Belize, Bolivia, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Mauritius, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Venezuela, Windward Is.

POWO follows these authorities in accepting this name:

• Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Puff, C., Chayamarit, K., Chamchumroon, V. & Esser, H.-J. (2021). Flora of Thailand 15(1): 1-235. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.

An alternative taxonomy had been proposed by the following authorities:

• Ruhsam, M. (2005). Survey of all the Rubiaceae specimens at the Royal Botanic Gardens, Kew. [Cited as Hedyotis.]