Ipomoea incarnata (Vahl) Choisy

A. P. S, Lima, M. T. A., Buril & Melo, J. I. M. de, 2024, Synopsis of Ipomoea (Convolvulaceae) in the state of Paraíba, Brazilian Northeastern, Rheedea 34 (5), pp. 430-456 : 445

19. Ipomoea incarnata (Vahl) Choisy in DC., Prodr. 9: 360. 1845. Figs. 4s & 5a

Flowering & fruiting: Flowering from March to December; fruiting in June.

Distribution: Distributed in South America ( Simão-Bianchini et al., 2024), often in arid regions ( Wood et al., 2020). In Brazil, it occurs in the Northeast and Southeast regions, in areas of Caatinga and Atlantic Forest ( Bandeira et al., 2019; Simão-Bianchini et al., 2024). In Paraíba, it is occasional, occurring in the four IRs in Caatinga and Caatinga-Atlantic Forest transition areas, in more preserved areas.

Specimens examined: BRAZIL, Cajazeiras, Parque Ecológico Engenheiros Ávidos, beira de estrada,

9.06.2015, fl. & fr., A . N .T. Bandeira 71 (HACAM!);

Gurinhém, 8.07.1994, fl., L.P. Felix 6529 ( EAN!); Monteiro , estrada para a Serra do Peru, 01.06.2017, fl ., J.I.M. Melo 29-2017a ( HACAM!); Passagem , Fazenda ABA, 19.04.2015, fl ., E.M.P. Fernando 292 (CSTR!).

Notes: Herbaceous vine easily identified by its simple, entire, glabrous, leaves sagittate, sepals convex, hyaline, subequal, oblong-lanceolate with 5–8 veins conspicuous, and a large corolla (7.5–8 cm long), infundibuliform, lilac or pink with a purple tube, and stamens included.

Figures

Fig. 4. a-b. Ipomoea acanthocarpa (Choisy) Hochst. ex Schweinf. & Asch.: a. Calyx; b. Fruit. c-e. I. aristolochiifolia G.Don; c. Reproductive branch,emphasizing the peduncle arising through the sinus at the base of the leaf; d. Calyx; e. Fruit. f-g. I. batatas (L.) Lamarck: f. Sepals;g. Fruit. h. I. batatoides Choisy: Reproductive branch. i: I. blanchetti Choisy: Reproductive branch. j-k. I. calyptrata Dammer: j. Reproductive branch; k. Calyx with persistent bracteoles. l. I. decipiens Dammer: Open calyx–posterior view. m-p. I. eremnobrocha D.F. Austin,: m. Reproductive branch; n. Sericeous indument and glands on the adaxial surface of the leaf; o. Flower, emphasizing the campanulate corolla; p. Fruit. q. I. hederifolia L., Inflorescence.r. I. heptaphylla Sweet, Reproductive branch.s. I. incarnata (Vahl) Choisy,Calyx and bracteoles (Drawn by F.Martins).

Fig. 5. a. Ipomoea incarnata (Vahl) Choisy: Habit. b. I. indica (Burm) Merril, Flower–side view. c. I. longeramosa Choisy, Habit. d. I. marcellia Meisner: Flower, emphasizing the funnelform corolla with extended stamens. e-f. I. nil (L.) Roth: e. Flower, top view; f. Flower, side view. g. I. parasitica (Kunth) G. Don: Habit. h. I. pes-caprae (L.) R.Br.: Flower,top view. i. I. quamoclit L.: Pinatisect leaf and hypocrateriform corolla with exserted stamens.j. I. rosea Choisy:Inflorescence.k & m. I. sericosepala J.R.I.Wood & R.W.Scotland: k. Reproductive branch;m. Fruits.l. I. setosa Ker-Gawl.:Reproductive branch.n. I. vespertilia F.D.Santos,G.C.Delgado-Júnior & Buril:Inflorescence,emphasizing the geniculate corolla (Photos a. J.I.M. Melo; b, g, i, m. F.K.S.Monteiro; c, f, j. A.P.S. Lima; d-e, k. M.G.M. Gonçalves; h. I.C.M. Albuquerque; l, n. F.C. Pinheiro).