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 390. Ipomoea habeliana Oliv. , Icon. Pl. 11 : 80, t. 1099. 1871. (Oliver 1871: 80) Type. ECUADOR. Galapagos Islands, Hood [ Espanola ] Island, Habel s.n. (holotype K000612879). Description. Scrambling liana with white latex, to c. 8 m in height; stems stout, woody, glabrous. Leaves characteristically held erect, petiolate, 6-15 x 1.8-3.5 cm, lanceolate to ovate-lanceolate, acute and long-mucronate, base broadly cuneate, both surfaces glabrous, abaxially reticulate; petioles 2.2-6.5 cm. Inflorescence of 1-several flowers in axillary compound cymes, peduncles 1-6 cm, stout, occasionally with reflexed spinules; bracteoles not seen; pedicels 8-22 mm long, thickened upwards; sepals unequal, glabrous, outer 1.2-2 x 0.7-0.8 cm, ovate, obtuse, mucronulate, inner 1.6-2.3 cm, oblong-ovate, truncate, margins scarious; corolla opening at night, glabrous, tube cylindrical, 7-9 cm long, c. 0.7 cm wide, greenish, limb 4 cm-6 cm, white, undulate. Capsules 2.2 x 1.4 cm, ellipsoid, beaked, glabrous; seeds 11 x 7 mm, densely pilose on the margin with brownish hairs c. 5 mm long. Illustration. Figures 8E , 192 . Figure 192. Ipomoea habeliana . A habit B corolla limb and anthers C capsule D seed. Drawn by Rosemary Wise A, B from Bentley 203; C, D from sin. data ex Herb. Hooker. Distribution. Endemic to the Galapagos Islands. ECUADOR. Galapagos Islands : Santa Cruz Island, H.J.F. Schimpf 67 (BM, MO); P.S. Bentley 203 (K, MO); T.W.J. Taylor 90 (K). Note. Its nearest relative appears to be Ipomoea violacea , rather than any American species. It is probably pollinated by moths as the white flowers open in the evening.