Ipomoea indica (Burm) Merril, Interpr. Herb. Amboin

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

20. Ipomoea indica (Burm) Merril, Interpr. Herb. Amboin 445. 1917. Fig. 5b

Flowering & fruiting: Flowering from February to October; fruiting not seen.

Distribution: Native to the Neotropics, naturalized in tropical and subtropical zones ( Wood et al., 2020). This species occurs throughout Brazil, in the Amazon, Caatinga, Cerrado, Atlantic Forest and Pampa domains ( Simão-Bianchini et al., 2024). In the study area, it is rare, with few records in the IRs of Campina Grande and Patos in areas of Caatinga, Atlantic Forest and Caatinga-Atlantic Forest transition.

Specimens examined: BRAZIL, Lagoa Seca, 08.02.2017, fl., A . P .S. Lima et al. 05 ( HACAM!) .

Patos, Bodocongó, 28.09.1982, fl., A. Fernandes &

F.J.A. Matos (EAC11676, RB, digital images!).

Notes: Herbaceous vine with pubescent or sparsely sericeous branches. It can be confused with I. nil due to the compact cymes, persistent bracteoles, lanceolate, long acuminate sepals, and infundibuliform corolla bluish or purple, stamens included. But it can be distinguished by the lanceolate bracteoles, sepals sparsely sericeous with hyaline trichomes, and corolla 7.5–8 cm long (vs. linear bracteoles, sepals densely hirsute with orange or gold trichomes at the base, and corolla 3.5–6 cm long in I. nil ).

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).