Ipomoea macrorhiza

Species:Ipomoea macrorhiza Michx.
Plant Notes:This rather infrequent species is known only from the southeast USA where it is, of course, considered native (Austin & Huáman 1996). The flowers are nocturnal.
Specimen: View details of USF Herbarium specimens

** Not applicable or data not available.


Sub Class
Genus Ipomoea
Species Ipomoea macrorhiza Michx. - LARGEROOT MORNING-GLORY


Citation IPOMOEA MACRORHIZA Michaux, Fl. Bor.-Amer. 1: 141. 1803.
Basionym: **
Type: "maritimis Georgiae et Floridae" (P).

** Not applicable or data not available.


CountyHerbariaLiterature Citation (If Applicable)
Alachua FLAS  
Brevard FLAS  
Calhoun FSU  
Clay FLAS  
Collier FLAS  
Columbia USF  
Duval FLAS  
Escambia FLAS  
Flagler FTG  
Franklin FSU  
Gadsden FSU  
Hernando USF  
Highlands FTG  
Hillsborough USF  
Jackson USF  
Lake USF  
Lee FLAS  
Leon FSU  
Levy FLAS  
Liberty FSU  
Madison FSU  
Marion FLAS  
Marion FLAS  
Marion FLAS  
Nassau FLAS  
Okaloosa USF  
Orange FLAS  
Pasco USF  
Pinellas USF  
Polk FLAS  
Santa Rosa UWFP  
Sumter USF  
Suwannee FLAS  
Volusia FLAS  
Wakulla FSU  
Walton FLAS  


– Denotes synonyms that are applicable to the state. Show these synonyms only

SynonymFull CitationBasionymType
Convolvulus macrorhizus Convolvulus macrorhizus (Michaux) Elliott, Sketch Bot. S. Carolina 1: 252. 1817, non Linnaeus 1759.BASIONYM: Ipomoea macrorhiza Michaux 1803. 
Ipomoea jalapa forma macrorhiza Ipomoea jalapa (Linnaeus) Pursh, forma macrorhiza (Michaux) Matuda, Anales Inst. Biol. Univ. Nac. Mexico 35: 51. 1965.BASIONYM: Ipomoea macrorhiza Michaux 1803. 
Ipomoea jalapa var. macrorhiza Ipomoea jalapa (Linneus) Pursh, var. macrorhiza (Michaux) Ker Gawler, Bot. Reg. 8: sub t. 621. 1822.BASIONYM: Ipomoea macrorhiza Michaux 1803. 
Ipomoea michauxii Ipomoea michauxii Sweet, Hort. Brit. 288. 1826, nom. illegit.BASIONYM: Ipomoea macrorhiza Michaux 1803. 
Modesta macrorhiza Modesta macrorhiza (Michaux) Rafinesque, Fl. Tellur. 4: 76. 1838.BASIONYM: Ipomoea macrorhiza Michaux 1803. 
Ipomoea purshii Ipomoea purshii G. Don, in Sweet, Hort. Brit., ed. 3. 484. 1839.  


Country State County Date Specimen Notes Image
USA Florida Pinellas Co. s.d. P. Genelle 278
USA Florida Sumter Co. 28 Aug 1992 C. vanHoek 294
USA Florida Franklin Co. 26 Aug 1987 L. C. Anderson 10845
USA Florida Hillsborough Co. 24 Aug 1988 K. Holland s.n.
USA Florida Columbia Co. 29 Aug 1992 B. J. Herring 912
USA Florida Lake Co. 15 Nov 1992 R. F. Daubenmire s.n.
USA Florida Pasco Co. 05 Sep 2002 C. vanHoek WB064
USA Florida Okaloosa Co. 24 Nov 1980 G. Wilhelm 8033
USA Florida Pinellas Co. 22 Aug 1970 P. Genelle 361 Sheet 1 of 2.
USA Florida Pinellas Co. 22 Aug 1970 P. Genelle 302 Sheet 2 of 2.
USA Florida Hernando Co. 07 Sep 1990 C. vanHoek 217
USA Florida Pinellas Co. 20 Aug 1978 P. Genelle 3166
USA Florida Lake Co. 06 Jul 2017 R. G. Risch s.n.
USA North Carolina Brunswick Co. 26 Sep 1966 R. C. Bell 18568
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