Eulophia horsfallii (Bateman) Summerh.

Native to:

Angola, Benin, Botswana, Burundi, Cameroon, Central African Repu, Congo, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

POWO follows these authorities in accepting this name:

• Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
• Demissew, S., Cribb, P. & Rasmussen, F. (2004). Field Guide to Ethiopian Orchids: 1-300. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Gosline, G., Bidault, E., van der Burgt, X., Cahen, D., Challen, G., Condé, N., Couch, C., Couvreur, T.L.P., Dagallier, L.M.J., Darbyshire, I., Dawson, S., Doré, T.S., Goyder, D., Grall, A., Haba, P., Haba, P., Harris, D., Hind, D.J.N., Jongkind, & al. (2023). A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Nature, scientific data 10, Article number: 327: [1]-[12].
• Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Johnson, S. & Bytebier, B. (2015). Orchids of South Africa. A field guide: 1-536. Struik nature, Cape Town, South Africa.
• Velayos, M. & al. (eds.) (2018). Flora de Guinea Ecuatorial 10: 1-491. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.

An alternative taxonomy had been proposed by the following authorities:

• Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya. Journal of East African Natural History 99: 129-226. [Cited as Eulophia rosea.]

Flora of West Tropical Africa

• in F.W.T.A., ed. 1, 2: 446.

Kew Backbone Distributions

• Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya. Journal of East African Natural History 99: 129-226.
• Johnson, S. & Bytebier, B. (2015). Orchids of South Africa. A field guide: 1-536. Struik nature, Cape Town, South Africa.
• Szlachetko, D.L. & Mytnik-Ejsmont, J. (2021). Orchidaceae of West-Central Africa 3: 1-555. Koeltz Scientific books, Koenigsheim, Germany.

Eulophiinae: e-monocot.org

• Bateman, J. Original description of Eulophia horsfallii. 2, (1936).

Flora of Tropical East Africa

• Hall in Journ. S. Afr. Bot., Suppl. 5: 153 (1965).
• J. Stewart et al., Wild Orch. S. Afr.: 243 (1982).
• J. Stewart in A.D.Q. Agnew, Upland Kenya Wild Flowers p. 780 (1974).
• Summerh. in Flora of West Tropical Africa 2: 442, 444 (1936).
• Summerh. in Flora of West Tropical Africa, ed. 2, 3: 250 (1968).
• Williamson in Orch. SC. Afr.: 173 (1977).