Merremia aegyptia
Nomenclature
Merremia aegyptia (L.) Urban, Symb. Antill. 4: 505. 1910.
Ipomoea aegyptia L., Sp. Pl. 162. 1753. TYPE. Tropical America. LINN 218.35 (holotype, LINN).
Convolvulus pentaphyllus L., Sp. Pl. ed. 2. 223. 1762, nomen illegit. TYPE. based on the same type as I. aegyptia.
Ipomoea pentaphylla (L.) Jacquin, Coll. Bot. 2: 297. 1788.
Spiranthera pentaphylla (L.) Bojer, Hort. Maurit. 226. 1837.
Batatas pentaphylla (L.) Choisy, Mem. Soc. Phys. Geneve 6: 436. 1834.
Merremia pentaphylla (L.) Hallier f., Bot. Jahrb. Syst. 16: 552. 1893.
Operculina aegyptia (L.) House, Bull. Torrey Bot. Club 33: 502. 1906.
Convolvulus nemorosus Willd. ex Roem. & Schultes, Syst. Veg. 4: 303. 1819. TYPE. Venezuela. Cumaná, Humboldt [565] (holotype B-W 3718).
Merremia pentaphylla var. nemorosa (Willd.) Hallier f., Jahrb. Hamb. Wiss. Anst. 16: 38. 1898.
Ipomoea pilosa Cav., Icones Pl. 4: 11. tab. 323. 1797. TYPE. Habitat in America calidore (MA, not found).
Ipomoea sinaloensis Brandegee, Zoe 5: 217. 1905. TYPE. Mexico. Sinaloa: near Culiacan, Sept. 1904, Brandegee s.n. (lectotype UC; isolectotype US 572010).
Description
Austin, D. F. & G. W. Staples. Convolvulaceae in Flora Neotropica [unpublished data].
Cytology
Lewis, W. H. 1967. Chromosome numbers of phanerogams. 2. Annals Missouri Bot. Gard. 54: 178–181.
Biogeography, Ecology and Natural History
Found in Mexico, Middle America, South America, the West Indies and naturalized in many places in the Old World; Western Australia, Northern Territory; native of tropical America, now widespread throughout the tropics.
Austin, D. F. & G. W. Staples. Convolvulaceae in Flora Neotropica [unpublished data].
Johnson, R. W. Austrobaileya 8: 55–63. 2009