Ipomoea tiliacea (Willd.) 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 : 452-453

37. Ipomoea tiliacea (Willd.) Choisy, Prodr. 9: 375. 1845. Fig. 6q

Flowering & fruiting: Flowering from July to November; fruiting from October to November.

Distribution: Found in secondary forests and disturbed shrublands near the coast throughout South America, and in some coastal locations in Central America while in the Old World, it is reported to be naturalized ( Wood et al., 2020). In Brazilian territory, its occurrence is confirmed in almost all regions, except in the Central-West, in the Amazon, Atlantic Forest and Pampa domains ( Simão-Bianchini et al., 2024). In Paraíba it is rare, found in the municipality of Areia (IR of Campina Grande ) in Atlantic Forest vegetation.

Specimens examined: BRAZIL, Areia, estrada de acesso ao Engenho Triunfo , 13.11.2015, fl. & fr., G . Staples et al. 1729 ( PEUFR!) .

Notes: This species is recognized by the following set of characters: herbaceous vine, completely glabrous or glabrescent, leaves simple, entire, blades cordate to oval, margins entire, rarely 2-toothed at the base, inflorescence a dichasium, sepals glabrous, unequal, one outer oblongelliptical shorter than the others, the inner oblong, all with a cuspate apex ending in a thin apical tip originating from the prominent central vein, corolla 3.5–4.5 cm long, infundibuliform to campanulate, pale pink to pale lilac and stamens included.

Figures

Fig. 6. a-d. Ipomoea longibracteolata Sim.-Bianch. & J.R.I. Wood: a. Leaf; b. Leaf indument; c. Flower with closed corolla; d. Bracteole. e-f. I. mauritianaJacq.: e. Leaf; f. Calyx. g. I. megapotamica Choisy,Calyx emphasizing the prominent basolateral glands. h-j. I. meyeri (Spreng.) G.Don: h. Reproductive branch; i. Inner sepal; j. Outer sepal. k-m. I. ramosissima (Poir.) Choisy: k. Reproductive branch; l. Outer sepal; m. Inner sepal. n. I. squamosa Choisy: Calyx. o-p. I. tenera Meisner: o. Reproductive branch; p. Calyx. q. I. tiliacea (Willd.) Choisy: Inflorescence. r. I. grandifolia (Dammer) O’Donell: Calyx. s. I. violacea L.: Reproductive branch (Drawn by F. Martins).