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 369. Ipomoea chondrosepala Hallier f. , Bull. Herb. Boiss. 7 : 49. 1899. (Hallier 1899b: 49) Ipomoea loefgrenii Hoehne, Anexos Mem. Inst. Butantan, Secc. Bot. i. VI: 75. 1922. (Hoehne 1922: 75). Type. BRAZIL. Sao Paulo, A. Loefgren 4334 (holotype SP). Type. PARAGUAY. Villarrica, B. Balansa 1072 (lectotype P03536110, designated by Wood et al. 2015: 51, isolectoypes G, K). Description. Liana climbing to at least 5 m, rarely trailing; stems rea; glabrous in all vegetative parts. Leaves petiolate, coriaceous, 4-10 x 3-7.5 cm, ovate, base shallowly cordate, apex acute and shortly mucronate, both surface glabrous; petioles 2-4.5 cm. Inflorescence often borne on leafy axillary shoots, c. 8-12 cm long; peduncles 0.2-5.5(-14) cm; bracteoles resembling tiny leaves; secondary and tertiary peduncles 8-12 mm; pedicels 2-3 cm, thicker than peduncles; sepals subequal, 13-17 x 6-10 mm, inner slightly longer, oblong elliptic, rounded, transparent, margins scarious, somewhat accrescent in fruit; corolla c. 6 cm long, narrowly funnel-shaped, dark pink, glabrous; filaments inserted c. 8 mm above the base, 10-13 mm long, only slightly unequal, anthers 5 mm; style white, c. 2.3 cm long, ovary glabrous. Capsules 15-20 x 7-10 mm, ovoid to ellipsoid, acute, angled, 4-seeded; seeds 5-10 x 4 mm (immature), the angles with silky hairs10-12 mm long. Illustration. Figures 141G , 178 . Figure 178. Ipomoea chondrosepala A habit B outer sepal C inner sepal D part of inflorescence E corolla showing stamens and style F capsule G seed. Drawn by Eliana Calzadilla from Wood et al. 28286. Distribution. Seasonally moist forest in scattered locations from Paraguay, the Sao Paulo region of Brazil and the Santa Cruz area of Bolivia north to Colombia and Venezuela. PARAGUAY. Canindeyu : camino de Lagunita a Horqueta-mi, B. Jimenez & M. Pena 1237 (BM, CTES, PY); Reserva Mbaracayu , I , Basualdo 4181 (FCQ); camino Curuguaty-Ygatimi, J.R.I. Wood & G. Gonzalez 28469 (FCQ). Guaira : Independencia, Arroyo Guazu , A. Schinini et al. 28003 (CTES, FCQ). Paraguari : P.N. Ybycui on trail to Arroyo Corrientes, E. Zardini & R. Velazquez 12113 (MO, PY). San Pedro : Primavera, A.L. Woolston 821 (K, S); Laguna Blanca, F. Gonzalez Parini et al. 1718 (FCQ). BRAZIL. Rondonia : Cacoal, Ladislao Araujo S. et al. 823 (CEN); Ariquemes, L. O. A. Teixeira 503 (NY, RB). Minas Gerais : Serra do Espinhaco , W.R. Anderson et al. 35357 (FTG). Sao Paulo : type of Ipomoea loefgrenii . BOLIVIA. Cochabamba : Chapare, M. Bang 1278 (GH, K, NY, MO, US). La Paz : Sud Yungas, Seidel & Schulte 2424 (K, LPB). Santa Cruz : Ibanez , Reserva Arubai , 8 km de Terebinto, D. Villarroel & I. Linneo 599 (USZ); Angostura, M. Nee & M. Sundoe 52209 (LPB); Ichilo, P.N. Amboro , near Camp. Mataracu , M. Nee & L. Bohs 49535 (NY, USZ); near Hotel El Cafetal, Candelaria, Buenavista, J.R.I. Wood et al. 28286 (LPB, OXF, LPB). PERU. Carretera al Maranon , 20 km del Abra de Porculla, R. Ferreyra 9139 (USM). Madre de Dios : S.F. Smith 1642 (MO); Rio Acre, E. Ule 9704 (K). Ucayali : Graham & Schunke 1648 (ARIZ). ECUADOR. Napo : F. Hurtado 572 (FTG, MO); Reserva Jatun Sacha, C. Ceron 859 (QCNE); Yasuri, Rio Tiputini, R. Burnham 1303 (MICH, QCA). Orellana : A. Herrera & W. Guerrero 141 (MO, ARIZ); Res. Etnico Huaorani, B. Freire & D. Naranjo 539 (QCNE). Pastaza : F. Hurtado et al. 1379 (FTG, MO); H. Lugo 327 (GB, MO).). COLOMBIA. Quindio : E. Andre 2140 (K). VENEZUELA. Tachira : J. Steyermark & R. Liesner 119068 (MO). Note. Most collections from Amazonian Peru and Brazil have sepals with very prominent scarious margins.