Ipomoea anceps (L.) Roem. & Schult.

First published in Syst. Veg., ed. 15[bis]. 4: 231 (1819)

This name is a synonym of Operculina turpethum

Austin, D.F. & Huáman, Z. (1996). A synopsis of Ipomoea (Convolvulaceae) in the Americas. Taxon 45: 3-38. [Cited as Operculina turpethum.]
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 Operculina turpethum.]
Clarke, C.B. in Hooker, J.D. (1883). Fl. Br. India Convolvulaceae. Flora of British India 4: 179-228 + 734. [Cited as Ipomoea turpethum (L.) R.Br..]
Fang, R.-Z. & Staples, G. (1995). Convolvulaceae. Flora of China 16: 271-325. Missouri Botanical Garden Press, St. Louis. [Cited as Operculina turpethum.]
Gagnepain & Courchet in H. Lecomte (1915). Flore Indo-Chine Convolvulaceae. Flore Générale de l'indo-Chine 4: 228-313. [Cited as Ipomoea turpethum.]
Johnson, R.W. (2012). Convolvulaceae. Australian Plant Census Council of Heads of Australian Herbaria. [Cited as Operculina turpethum.]
Ooststroom, S.J. van & R.D. Hoogland (1953). Convolvulaceae. Flora Malesiana 4: 388-512. Noordhoff-Kolff N.V., Djakarta. [Cited as Operculina turpethum.]
Staples, G. & Jarvis, C.E. (2006). Typification of Linnaean plant names in Convolvulaceae. Taxon 55: 1019-1024. [Cited as Operculina turpethum.]
Staples, G.W. & D.F. Austin (1981). Changes in the West Indian Operculina. Brittonia 33: 591-596. [Cited as Operculina turpethum.]

Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
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