Ipomoea illustris (C.B.Clarke) Prain

POWO follows these authorities in synonymising this name:

• Austin, D.F. in Dassanayake (ed.) (1980). Rev. Handb. Fl. Ceylon Convolvulaceae. A Revised Handbook to the Flora of Ceylon 1: 288-363. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta. [Cited as Ipomoea campanulata.]
• Gagnepain & Courchet in H. Lecomte (1915). Flore Indo-Chine Convolvulaceae. Flore Générale de l'indo-Chine 4: 228-313. [Cited as Ipomoea campanulata var. illustris.]
• Staples, G. (with P. Traiperm) (2010). Convolvulaceae. Flora of Thailand 10: 330-468. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok. [Cited as Ipomoea campanulata.]
• Steenis, C.G.G.J. van (1982). Malesian CNV Addenda, corrigenda & emendanda V. Flora Malesiana 9: 558. Noordhoff-Kolff N.V., Djakarta. [Cited as Ipomoea campanulata.]

This name was accepted following an alternative taxonomy by these authorities:

• Hancock, I.R. & C.P. Henderson (1988). Convolvulaceae. Research Bulletin Dodo Creek Research Station 7: 131-132. [Cited as Ipomoea illustris.]
• Khan, M.S. (1985). Fl. Bangladesh Convolvulaceae. Flora of Bangladesh 30: 1-59. Bangladesh National Herbarium, Dhaka. [Cited as Ipomoea illustris.]
• Ooststroom, S.J. van & R.D. Hoogland (1953). Convolvulaceae. Flora Malesiana 4: 388-512. Noordhoff-Kolff N.V., Djakarta. [Cited as Ipomoea illustris.]
• Whitmore, T.C. in Whitmore, T.C. (1966). Guide For. Brit. Solomon Isld. Convolvulaceae. Guide to the Forests of the British Solomon Islands: 187, 191. Oxford Univ. Press. [Cited as Ipomoea illustris (Clarke) Prain.]