Ipomoea chondrosepala Hallier

Wood, John R. I., Munoz-Rodriguez, Pablo, Williams, Bethany R. M. & Scotland, Robert W., 2020, A foundation monograph of Ipomoea (Convolvulaceae) in the New World, PhytoKeys 143, pp. 1-823 : 1

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. São Paulo, A. Löfgren 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 × 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 × 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 × 7-10 mm, ovoid to ellipsoid, acute, angled, 4-seeded; seeds 5-10 × 4 mm (immature), the angles with silky hairs10-12 mm long.

Illustration.

Figures 141G , 178 .

Distribution.

Seasonally moist forest in scattered locations from Paraguay, the São Paulo region of Brazil and the Santa Cruz area of Bolivia north to Colombia and Venezuela.

PARAGUAY. Canindeyú: camino de Lagunita a Horqueta-mi, B. Jiménez & M. Peña 1237 (BM, CTES, PY); Reserva Mbaracayú, I, Basualdo 4181 (FCQ); camino Curuguaty-Ygatimi, J.R.I. Wood & G. González 28469 (FCQ). Guairá: Independencia, Arroyo Guazú, A. Schinini et al. 28003 (CTES, FCQ). Paraguarí: P.N. Ybycuí on trail to Arroyo Corrientes, E. Zardini & R. Velázquez 12113 (MO, PY). San Pedro: Primavera, A.L. Woolston 821 (K, S); Laguna Blanca, F. González Parini et al. 1718 (FCQ).

BRAZIL. Rondônia: Cacoal, Ladislao Araujo S. et al. 823 (CEN); Ariquemes, L. O. A. Teixeira 503 (NY, RB). Minas Gerais: Serra do Espinhaço, W.R. Anderson et al. 35357 (FTG). São 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: Ibañez, Reserva Arubaí, 8 km de Terebinto, D. Villarroel & I. Linneo 599 (USZ); Angostura, M. Nee & M. Sundoe 52209 (LPB); Ichilo, P.N. Amboró, near Camp. Mataracú, 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 Marañón, 20 km del Abra de Porculla, R. Ferreyra 9139 (USM). Madre de Dios: S.F. Smith 1642 (MO); Río Acre, E. Ule 9704 (K). Ucayali: Graham & Schunke 1648 (ARIZ).

ECUADOR. Napo: F. Hurtado 572 (FTG, MO); Reserva Jatun Sacha, C. Cerón 859 (QCNE); Yasuri, Río Tiputini, R. Burnham 1303 (MICH, QCA). Orellana: A. Herrera & W. Guerrero 141 (MO, ARIZ); Res. Étnico Huaorani, B. Freire & D. Naranjo 539 (QCNE). Pastaza: F. Hurtado et al. 1379 (FTG, MO); H. Lugo 327 (GB, MO).).

COLOMBIA. Quindio: E. André 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.

Figures

Figure 141. Photographs of Ipomoea species A I. plummerae, form with entire leaves B I. plummerae, form with lobed leaves C I. longeramosa D I. costellata E I. amnicola F I. paludicola G I. chondrosepala. A, B Mario Giorgetti C Rosemary Clegg D Firefly Forest E-G Maira Martinez.

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.