Deskripsieng
Description. Twining annual, stems glabrous or thinly pilose. Leaves petiolate, 2 - 12 x 2 - 11 cm, variable in shape, most commonly 3 - lobed to about half way, sometimes very shallowly lobed so leaf coarsely 3 - 5 - dentate, sometimes simply ovate, apex acute or obtuse, mucronate, base cordate with obtuse auricles, glabrous to thinly pubescent; petioles mostly 1 - 6 cm. Inflorescence of pedunculate, axillary cymes; peduncles 5 - 15 cm long; bracteoles ovate, c. 1 mm, caducous; secondary peduncles 1 - 2.5 cm; pedicels 3 - 12 mm, remaining erect in fruit; sepals slightly unequal, oblong-elliptic, obtuse to rounded with a prominent awn, margins scarious, glabrous, outer sepals 1.5 - 3 mm with mucro mostly 2 - 5 mm long, inner slightly larger with broader scarious margins; corolla red, hypocrateriform, usually curved, glabrous, the tube 2 - 4 cm long, slightly widened upwards, limb 1.8 - 2.5 cm diam., very shallowly lobed to entire, weakly spreading, acute; stamens exserted. Capsules 5 - 7 mm, subglobose, lacking an apical mucro, glabrous; seeds 3 - 4 mm long, shortly tomentose.
Sumber: A foundation monograph of Ipomoea (Convolvulaceae) in the New World
Distribusieng
Distribution. Common in tropical America from the southern United States to northernmost Argentina; introduced but widespread and frequent in the Old World tropics. It is usually found in disturbed bushy places and secondary scrub below 1000 m (rarely reaching 1500 m). It is more strictly tropical than many widespread species being absent from the three southern states of Brazil, Uruguay and most of Paraguay as well as most of northern Mexico. It is also rare in the Venezuelan Llanos, the Guianas and the Amazon region and there are no records from Pando in Bolivia, Amazonas in Colombia or Acre and Amapa in Brazil, indicating that it tends to avoid the Amazon basin. ARGENTINA. Salta: Oran, T. Meyer 8372 (LIL), fide O'Donell (1959 a). PARAGUAY. Amambay: Rojas in Hassler 10544 (BM, S); Fernandez Casas & J. Molero 6196 (MO, NY). BRAZIL. Bahia: C. von Glocker 597 (BM, NY, US); Espigao Mestre, W. R. Anderson et al. 36954 (MO, NY); Feira de Santana, L. P. de Queiroz 15975 (HUEFS, OXF). Ceara: A. Loefgren 522 (S). Dist. Fed.: V. F. Paiva 576 (RB). Espirito Santo: A. C. Brade 18439 (HB, RB). Goias: B. Walter 1408 (CEN, RB); H. S. Irwin 15077 (NY). Maranhao: G. Eiten 4046 (NY, RB). Mato Grosso: C. A. M. Lindman 3411 (S); L. M. Carreira 814 (NY). Mato Grosso do Sul: D. Smith 49 (K). Minas Gerais: Vicosa, Y. Mexia 4690 (BMS); A. Macedo 330 (RB). Para: R. Spruce 695 (NY). Paraiba: J. Coelho de Moraes 917 (RB). Pernambuco: Igarassu, H. C. Silva 43 (MO). Piaui: Gardner s. n. (BM). Rio de Janeiro: J. F. Widgren 148 (S). Rio Grande do Norte: S. Tsugaru B 1218 (NY, MO). Rondonia: W. Thomas et al. 5023 (MO, NY). Roraima: G. H. Tate 107 (NY). Sao Paulo: A. Macedo 693 (S); C. W. Mosen 22 (S). FRENCH GUIANA. Fide G. Leotard (pers. com.). GUYANA. R. Schomburgk 511 (BM). BOLIVIA. Beni: Est. Biologica del Beni, E. Villanueva et al. 859 (F, LPB). Chuquisaca: Calvo, Sierra Mandiyapecua, E. Saravia et al. 11740 (LPB). La Paz: Inquisivi, Cahuata-Miguillas, T. Ortuno et al. 346 (K, LPB); Nor Yungas, J. Solomon et al. 18973 (MO, K, LPB, USZ). Santa Cruz: German Busch, Serrania de Mutun, D. Villarroel et al. 2053 (USZ); Ibanez, A. Fuentes 393 (BOLV, LPB, MO, NY, USZ); Velasco, Bajo Paragua, T. J. Killeen & J. Wellens 6274 (ARIZ, BOLV, LPB, NY, MO, USZ). Tarija: Gran Chaco, west of Villamontes, A. Krapovickas & A. Schinini 39175 (CTES, LPB). PERU. Amazonas: R. Ferreyra 13337 (MO). Cajamarca: F. Woytkowski 6863 (MO). Cusco: La Convencion, Y. Mexia 8041 (BM). Junin: A. Gentry & G. T. Prance 16405 (MO). Lambayeque: A. Gentry et al. 22600 (MO). Loreto: M. Rimachi 10498 (MO, USM). Pasco: Oxapampa, Chontabamba, R. Rojas et al. 2337 (MO). San Martin: Chazuta, Rio Huallaga, Klug 4021 (BM); F. Woytkowski 35037 (MO, S); G. Klug 3442 (MO, S). ECUADOR. El Oro: G. Harling & L. Andersson 13416 (MO). Guayas: Guayaquil, Pavon s. n. (BM); C. E. Ceron et al. 19963 (MO). Imbabura: L. B. Holm-Nielsen & J. Jaramillo 28916 (MO). Loja: B. Klitgaard et al. 466 (AAU). Manabi: C. Ceron et al. 6742 (MO). COLOMBIA. Atlantico: A. Dugand 4032 (COL, US). Antioquia: R. Callejas & A. Echeverri 11461 (MO). Bolivar: A. Dugand & R. Jaramillo 2846 (COL, US); R. Romero C. 9256 (COL). Boyaca: A. E. Lawrance 223 (BM, MO). Caldas: G. Lozano 5967 (COL). Cesar: Chimichagua, O. Rivera-Diaz 3307 (COL). La Guajira: T. Saravia 2308 (COL). Magdalena: Santa Marta, H. H. Smith 1587 (BM, COL, F, GH, MICH, MO, S). Norte de Santander: J. Cuatrecasas 16264 (COL). Quindio: M. C. Velez et al. 551 (COL). Santander: J. L. Fernandez 20863 (COL). Sucre: L. H. Soto & H. Giraldo 64 (MO). Valle: I. Cabrera 7023 (MO). VENEZUELA. Bolivar: B. K. Holst & H. Van de Werff 2521 (MO). Dist. Fed.: Caracas, La Florida, A. H. G. Alston 5445 (BM, S). Guarico: G. Davidse 4192 (MO). Nueva Esparta: Margarita Island: O. O. Miller & J. Johnston 75 (BM). Portuguesa: F. J. Ortega 539 (MO). Sucre: Peninsula de Paria, J. Steyermark & M. Rabe 96440 (MO). PANAMA. T. Croat 12911 (MO); Hunter & Allen 9 (S); Alhajuela, H. Pittier 2341 (BM); J. A. Duke 6063 (E, MO). COSTA RICA. Guanacaste, U. Chavarria 1098 (BM, MO); Puntarenas, M. H. Grayum & B. Hammel 9564 (BM, MO); H. Pittier 13670 (K); Nicoya, A. Tonduz 13670 (BM). NICARAGUA. Managua, W. D. Stevens 5354 (BM, MO); peninsula de Coseguina, S. Marshall 6621 (BM, F). EL SALVADOR. Ahuachapan, J. M. Rosales 1764 (BM, LAGU); P. C. Standley 19569 (US). HONDURAS. Tiger Island, G. W. Barclay 2560 (BM); A. Molina 718 (F). BELIZE. Cayo, C. Whitefoord 2201 (BM); H. H. Bartlett 369 (US, MO, MEXU, F); Corozal, P. H. Gentle 839 (MO). GUATEMALA. Peten, R. Tun Ortiz 662 (BM, F), ibid., 526 (BM, F); Lago Peten Itza, B. Wallnoefer 9536 (K, W). MEXICO. Baja California Sur: Rancho Palmilla, A. Carter & F. Chisaki 3598 (BM, UC); La Junta, I. L. Wiggins 15386 (CAS, K). Campeche: Kalkini-El Remate, M. Pena-Chocarro et al. 590 (BM); Calakmul, E. Martinez et al. 31473 (BM, MEXU). Chiapas: Acacoyagua, E. Matuda 17398 (K). Est. Mexico & Dist. Fed.: Temascaltepec, G. B. Hinton 1759 (BM, K). Guerrero: Coyuca, G. B. Hinton 6875 (BM, K); Acapulco, W. Hancock 32 (K). Jalisco: M. G. Ayala 983 (K, MEXU); Ajijic, Harker & Mellowes 1 (BM). Michoacan: Huetamo, G. B. Hinton 7114 (BM, K); Coalcoman, G. B. Hinton 12333 (K); Churumuco, K. B. Hernandez & L. Sanchez 74 (K). Nayarit: Yxtlan del Rio, Y. Mejia 748 (BM, MO). Oaxaca: C. Conzatti 4433 (US). Queretaro: Landa de Matamoros, L. J. Ramos 1401 (K). Quintana Roo: Pucte, O. Tellez & E. Cabrera 1258 (BM, MEXU). San Luis Potosi: M. T. Edwards 484 (F). Sinaloa: W. G. Wright 1269 (US). Sonora: E. Palmer 310 (US). Tamaulipas: R. M. King 3810 (NY). Veracruz: San Miguel, L. Monroy et al. 93 (BM). Yucatan: Chichankanab, G. F. Gaumer 2124 (BM). UNITED STATES. Florida: J. R. Buckhalter 12850 (UWFP). Georgia: L. C. Anderson 3786 (FSU). Louisiana: C. B. Coryell 21 (LSU). Mississippi: B. Parajuli 5 (NKU). North Carolina: Kitching s, n. [1 / 10 / 1906] (BM). Texas: S. M. Tracy 7718 (BM). BAHAMAS. A. R. Northrup 120 (K); D. S. Correll et al. 49560 (NY). CUBA. Bro. Clemente 6303 (HAJB); Lopez Figueras 439 (HAJB), 686 (HAJB). Cienfuegos: Soledad, J. G. Jack 6571 (A, K, P). Holguin: Sierra de Nipe, E. L. Ekman 10705 (BM, K, S). CAYMAN ISLANDS. M. Brunt 1688 (BM). JAMAICA. G. R. Proctor 20563 (BM), 15885 (BM); T. G. Yuncker 17210 (S); L. Wynter 747 (K); C. R. Orcutt 3428 (K, UC, US). HAITI. E. L. Ekman H 2093 (S), 9091 (S); L. R. Holdridge 1814 (NY). DOMINICAN REPUBLIC. M. Fuertes 1360 (BM, K, S); W. Greuter & R. Rankin 24912 (B, K, S); E. L. Ekman H 11155 (K, S). PUERTO RICO. F. Axelrod & P. Chavez 7315 (K); D. E. Atha & T. Zanoni 794 (NY). LESSER ANTILLES. U. S. Virgin Islands: St Croix, F. R. Fosberg 59368 (BM, US). St Kitts: G. R. Proctor 18483 (BM). Antigua: H. E. Box 1266 (BM, US). Montserrat: J. A. Shafer 132 (NY, US). Guadeloupe: A. Duss 2477 (NY, US). Dominica: fide Powell (1979). Martinique: fide Powell (1979). St Lucia: R. A. Howard et al. 19984 (BM). St Vincent: H. H. & G. W. Smith 172 (K, NY); Cannuoan Island, R. A. Howard 11117 (A, BM, NY). Grenada: fide Powell (1979). Barbados: fide Powell (1979). TRINIDAD. Baker & Simmonds 14838 (K); Gasparee Island, N. L. Britton 2792 (NY); Pinte Gourde, N. L. Britton & W. E. Broadway 2651 (NY). HAWAII. Cultivated fide St John (1973).
Sumber: A foundation monograph of Ipomoea (Convolvulaceae) in the New World