Ipomoea cuscoensis

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

402. Ipomoea cuscoensis J.R.I. Wood & P. Muñoz, Phytokeys 88: 8. 2017. (Wood et al. 2017d: 8)

Type.

PERU. Cusco, Anta, Sisal, Limatambo, C. Vargas 14325 (holotype CUZ, isotype US).

Twining perennial of unknown height; stems glabrous. Leaves petiolate, 3-6 × 3-6.5 cm, 3-5-lobed, lobes elliptic in outline, apex acuminate to an an obtuse mucronate tip, base shallowly cordate, margin weakly crenate, both surfaces glabrous, abaxially paler with prominent whittish veins; petioles 1.3-3 cm. Inflorescence of pedunculate axillary cymes with up to c. 7 flowers; peduncles 4-6 cm; bracteoles caducous, not seen; pedicels 8-20 mm; calyx narrowly ovoid, sepals somewhat unequal, outer sepals 20-22 × 10 mm, ovate to ovate-elliptic, shortly mucronate, glabrous, margins scarious; inner sepals 15 × 8 mm, ellipsoid, mucronate, the scarious margins broad; corolla c. 6.5 cm long, campanulate, glabrous, deep pink, limb 3-4 cm diam. Capsules and seeds unknown.

Illustration.

Figure 197 ; Wood et al. (2017d: 10).

Distribution.

Endemic to dry forest and scrub at 2300-2700 m in southern Peru.

PERU. Apurimac: Abancay, Cachora, C. Vargas 9083 (CUZ); Grau, C. Vargas 5826 (CUZ). Cusco: Anta, Mollepata, W. Galiano et al. 5146 (MO).

Note.

The deep pink or purple corolla is very striking.

Figures

Figure 197. Ipomoea cuscoensis. A habit B habit C outer sepal D inner sepal. Drawn by Rosemary Wise from Galiano et al. 5146.