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 213. Ipomoea desrousseauxii Steud. , Nomencl. Bot. 1 : 816. 1840. (Steudel 1840: 816) Convolvulus eriospermus Desr. , Encycl. 3 : 567. 1789 [pub. 1792]. (Desrousseaux 1792: 567). Type. Sine data, P-LAM (?P00666142). Exogonium eriospermum (Desr.) Choisy , Mem . Soc. Phys. Geneve 8 (1): 52[130]. 1838. (Choisy 1838: 52 [130]). Ipomoea eriosperma (Desr.) Urb. , Symb. Antill. 3 (2): 351. 1902. (Urban 1902-3: 351), nom. illeg., non Ipomoea eriosperma P. Beauv. (1819) . Ipomoea leuconeura Urb. , Symb. Antill. 3 : 350. 1902. (Urban 1902-3: 350). Type. HAITI. L Picarda 16 (NY), C. Ehrenberg 134 (GH), W. Buch 5 (GH), syntypes. Exogonium leuconeurum (Urb.) House , Bull. Torrey Bot. Club 35 : 106. 1908. (House 1908a: 106). Type. Based Convolvulus eriospermus Desr. Description. Climbing perennial; stems glabrous, up to 4 m long. Leaves petiolate, usually small, digitately divided to or almost to the base into (3-)7 lobes, the lateral lobes often pedate, base truncate and broadly cuneate onto the petiole, lobes 0.7-6 x 0.2-1.5 cm, oblong-oblanceolate, obtuse or rounded, glabrous, abaxially gland-dotted; petioles 0.7-5 cm. Inflorescence of (1-)2-5(-10) flowers borne in short axillary cymes; peduncles 5-20 mm, glabrous; bracteoles 1 mm, scale-like, caducous; secondary peduncles c. 5 mm; pedicels 6-20 mm, straight, glabrous; sepals subequal, 4-6 mm, obovate-suborbicular, rounded, glabrous with scarious margins, the inner perhaps 1 mm longer than the outer; corolla 2.5-4 cm long, narrowly funnel-shaped to subcylindrical, c. 7 mm wide, the tube only slightly widening upwards, red, glabrous, the limb 2.5 cm diam. Capsules 9-10 x 5-6 mm, oblong-ovoid, glabrous, much exceeding the calyx; seeds 4-5 x 2 mm, pilose with long white hairs. Distribution. Widespread in dry forests in Hispaniola, often on limestone, where it is endemic. HAITI. Montagnes du Trau d'Eau , E.L. Ekman H2126 (K, S), 3043 (S), 9761 (S); Port de Paix, E.L. Ekman H3546 (K, MO, NY, S); ibid., E.C. & G.M. Leonard 14602 (K, US). DOMINICAN REPUBLIC. E.L. Ekman H14595 (S); Emanuelsson 2731 (S); El Platano , Bayaguana, A.H. Liogier 18717 (K, NY); Azua, A.H. Liogier 24873 (NY); Cabo Rojo-Las Mercedes, A.H. Liogier 13815 (P); Beata Island, D. Fairchild 2611 (P). Note. Some specimens from Haiti, for example Ekman H9548 (S) and Ekman H9624(S), have stouter corollas, the tube c. 10 mm wide.