Deskripsieng
Description. Aquatic perennial, stems floating or creeping over mud and rooting at the nodes, several metres long, hollow, glabrous. Leaves petiolate, 3.5 - 12 (- 17) x 1 - 6 cm, deltoid, lanceolate, ovate or oblong, acute to acuminate, base hastate to weakly sagittate, the auricles usually acute, sometimes bifid, both surfaces glabrous; petioles 3 - 12 (- 17) cm. Inflorescence of lax, few-flowered, pedunculate axillary cymes, peduncles 1.5 - 9 cm, glabrous except for pilose base; bracteoles 1 - 2 mm, ovate; pedicels 2 - 5 cm, slender and very variable in length in the same plant; sepals subequal, outer 7 - 8 mm, elliptic, obtuse, mucronate, inner sepals c. 8 mm, ovate-elliptic, acute, margins sometimes scarious; corolla 4 - 5 cm long, funnel-shaped, pale pink or lavender with darker centre, occasionally white, glabrous, limb c. 2.5 cm diam. Capsules ovoid to subglobose, shortly rostrate, c. 10 x 8 mm, woody, glabrous, tardily dehiscent; seeds densely pubescent.
Sumber: A foundation monograph of Ipomoea (Convolvulaceae) in the New World
Distribusieng
Distribution. Pantropical plant of Old World origin growing in muddy swamp and on lake margins. In the Americas it is well naturalised and sometimes regarded as invasive, as in Florida, Cuba and Guyana, but not recorded from many areas where it might be expected including the Dominican Republic. BRAZIL. Amazonas: S. A. Mori 21889 (NY); W. Junk 40 (RB). FRENCH GUIANA. Mana, G. Leotard s. n. (photo). SURINAM. Corantijne River, J. Lanjouw 56 (K, RB), 603 (MO); Paramaribo, B. E. Hammel & S. Koemar 21202 (MO). GUYANA. Jenman 4837 (K); 5860 (K); Harrison 1661 (K); D. H. Davis 304 (K); A. S. Hitchcock 16690 (NY, S); Georgetown, K. F. Robertson & D. F. Austin 329 (MO). PERU. Loreto: Iquitos, T. Croat 20105 (MO, P, RB); ibid., A. Gentry et al. 22130 (F, MO, USM); Maynas, Punchana, M. Rimachi 11086 (USM). ECUADOR. Guayas: C. H. & P. Dodson 11235 (MO). COLOMBIA. Amazonas: R. E. Schultes et al. 24129 (GH). Cordoba: Purisima, F. J. Roldan 1649 (MO). PANAMA. V. Dunlap 404 (F). COSTA RICA. B. Hammel & Perez 24406 (MO). BELIZE. Jones Lagoon, P. Gentle 1481 (K, MICH, MO). UNITED STATES. Florida: Pinellas Co., D. W. Hall 1736 (BM). Mississippi: C. T. Bryson 16229 (VS). CUBA. La Habana: A. H. Curtiss 685 (BM, K, MO, NY, P). Matanzas: Bro. Alain 3912 (NY). Pinar del Rio: P. Wilson 9277 (K, NY). Villa Clara: Bro. Leon 9422 (NY). JAMAICA. G. R. Proctor 33066 (BM), 37950 (MO, NY); W. Stearn 391 (BM). HAITI. St Louis du Nord, E. L. Ekman H 5182 (K, NY, S). DOMINICAN REPUBLIC. Doubtfully present, not included by Liogier (1994) but cited by Austin and Huamam (1996). PUERTO RICO. Fide Acevedo-Rodriguez and Strong (2012). LESSER ANTILLES. Guadeloupe: G. R. Proctor 19949 (BM); A. Duss 3502 (NY, P); A. Raynal-Roques 21883 (P). Martinique: Stehle s. n. (P). TRINIDAD. W. E. Broadway 9102 (BM, K). NETHERLANDS ANTILLES. Aruba: A. Van Proosdij 804 (MO, NY). HAWAII. Maui, C. R. Annable 3892 (NY); Oahu, W. Hillebrand s. n. (BM); O. Degener 5999 (K); Faurie 1033 (BM, P).
