A foundation monograph of Ipomoea (Convolvulaceae) in the New World Author Wood, John R. I. Author Munoz-Rodriguez, Pablo Author Williams, Bethany R. M. Author Scotland, Robert W. text PhytoKeys 2020 143 1 823 http://dx.doi.org/10.3897/phytokeys.143.32821 journal article http://dx.doi.org/10.3897/phytokeys.143.32821 1314-2003-143-1 F6F11A6EE4FF5A1885CEA2B60AE965A5 171. Ipomoea verruculosa (Pittier) O'Donell , Lilloa 26 : 397. 1953. ( O'Donell 1953a: 397) Exogonium verruculosum Pittier, J. Washington Acad. Sci. 21: 142. 1931. (Pittier 1931: 142). Type. VENEZUELA. Aragua, zona xerofitica de Chuau, H. Pittier 12118 (holotype VEN, not seen, isotypes G, LIL, NY, US). Ipomoea avicola D.F. Austin , Fl. Venezuela 8 : 143. 1982. (Austin 1982b: 143), nom. superfl. based on Exogonium verruculosum Pittier Type. Based on Exogonium verruculosum Pittier Description. Twining subshrub to 1.5 m; stems glabrous, woody when old, strongly warted. Leaves petiolate, dimorphic, 2.5-4 x 2-3 cm, ovate cordate or, more commonly deeply 3-5-lobed with apical lobe elliptic, much larger than the laterals, apex obtuse, lobes contracted at base, both surfaces glabrous; petioles 1-2.2 cm. Inflorescence of axillary pedunculate cymes; peduncles 0.5-2.5 cm, glabrous, slightly warted; bracteoles 1.5-2 mm, ovate, obtuse, caducous; secondary peduncles 5-7 mm; pedicels relatively slender, 7-10 mm; sepals subequal, 5-7 mm long, oblong-elliptic, obtuse, glabrous, the inner ones with a rounded scarious apex; corolla 3-4.5 cm long, glabrous, hypocrateriform, the tube 2.5-3.3 cm, pale, limb 0.7-0.9 cm in diam., lobed, lobes deep red, 4-6 mm long, ovate, often reflexed; stamens exserted. Capsules ovoid, glabrous, c. 10 mm long; seeds 5 x 2.5 mm, pilose with long marginal hairs to 8 mm. Distribution. Endemic to NW Venezuela where it grows in xerophitic scrub up to 400 m, but usually near the coast. VENEZUELA. Aragua : Distrito Giradot, Carretera Cata-Cuyagua, V.M. Badillo 4809 (FTG). Carabobo : Puerto Cabello, E. Andre s.n. (K); 5 km E of Puerto Cabello, W.J. Hahn et al. 5089 (FTG, MO, US); cumbre Ganango-Patanemo , B. Trujillo 8817 (FTG). Dist. Fed. : Mun. Vargas, Catia La Mar, N. Ramirez 2665 (FTG); Libertador, J. Steyermark 112744 (FTG, MO); Arrecife, L. Aristeguieta 4533 (VEN). Note. The approximate position of this species is inferred from its morphology.