Ipomoea rosea Choisy, Prodr.

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 : 451

32. Ipomoea rosea Choisy, Prodr. 9: 384. 1845. Fig. 5j

Flowering & fruiting: Flowering from January to October; fruiting from February to September.

Distribution: Endemic to the Brazilian Northeast, occurring in almost its entire area, except in the state of Maranhão. It is found in the Caatinga, Cerrado, and Atlantic Forest domains, being more common in the Caatinga ( Wood et al., 2020; Simão Bianchini et al., 2024). Frequent in the state of Paraíba, it has been recorded in the four IRs in preserved Caatinga areas, often forming large populations.

Specimens examined: BRAZIL, Araruna, Pedra da Boca , 16.07.2003, fl., S . Pitrez et al. 357 (EAN!).

Barra de Santana, Fazenda Vereda Grande,

05.10.2017, fl. & fr., A. P. S. Lima & A. S. Pinto 12

(HACAM!); Catingueira, RPPN Fazenda Major

Badú Loureiro , 12.05.2021 , fl. & fr., J. L. R. Silva et al. 77 ( CSTR!); São José de Piranhas, 14.01.2009 ,

fl., J.R. Andrade et al. 91 (PEUFR!).

Notes: A herbaceous vine, recognized as the only one in the study area with compound leaves consisting of only 3 leaflets. The peduncles are erect, the sepals have a short subapical rostrum, and the corolla is large (5.5–8 cm long), showy, pink, with included stamens.

Figures

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).