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*Ipomoea hederacea Jacquin. Ivyleaf Morning-glory. Phen: Jul-Dec (-Jun). Hab: Fields, disturbed areas. Dist: ME, MN, ND, NM, AZ, and CA south to s. FL, s. TX, and Mexico; Cuba. Native to the southeastern United States (the core of its distribution), but the more precise limits of its native distribution are obscure (populations in New England, Ontario, and the n. Midwestern US may be only adventive). Its current distribution is centered in southeastern North America and it was encountered there by "early botanists" Michaux and Pursh in the first decades of the 1800s, but its current genetic structure suggests that it may have been introduced (Campitelli & Stinchcombe 2014), but if so, from where? Austin (in Davidse et al. 2012) considered its area of nativity to to be the southeastern United States. Austin (1986) also described it as "a temperate plant that grows poorly, if at all, in tropical climes" (in contrast to Ipomoea nil).

Origin/Endemic status: Native

Synonymy: = Ar, Bah, C, Fl6, GrPl, GW2, Il, K1, K3, K4, Meso4.2, Mex, Mi, NcTx, NE, NY, Pa, Tn, Tx, Va, W, WH3, WV, Austin & Huáman (1996), Austin (1984), Wood et al (2020b); > Ipomoea hederacea Jacq. var. hederacea – F, G, RAB; > Ipomoea hederacea Jacq. var. integriuscula A.Gray – F, G, RAB; >< Ipomoea nil (L.) Roth, misapplied; > Pharbitis barbigera (Sweet) G.Don – S; > Pharbitis hederacea (L.) Choisy – S

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image of plant© Gary P. Fleming
image of plant© Keith Bradley | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Aidan Campos source

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