Ipomoea kraholandica

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

384. Ipomoea kraholandica J.R.I. Wood & Scotland, Phytokeys 88: 21. 2017. (Wood et al. 2017d: 21)

Type.

BRAZIL. Tocantins, Mun. Itacajá, Reserva Indígena Krahó, Aldea Pedra Blanca, 9 May 2000, A.A. Santos, A. Reatto, E. de Souza Martins, L. Rovenia, M. de Andrade & L. Moreira Rodrigues 719 (CEN).

Description.

Slender twining herb of unknown height; stems glabrous. Leaves petiolate, 2-3.5 × 1-3 cm, 3-lobed with the central lobe lanceolate, entire, the laterals 2-3-lobed, the first second lobe bent forwards and the third lobe bent backwards, base truncate, apex finely acuminate; petioles 0.7-2 cm. Inflorescence of solitary, axillary flowers; peduncles very short, 0-3 mm, thinly pubescent; bracteoles, 1-3 mm, relatively persistent, thinly ciliate; pedicels 6-12 mm, thickened upwards, pubescent; sepals subequal, 11-12 × 1.5-2.5 mm, narrowly lanceolate, finely acuminate, mucronate, outer pubescent, inner pubescent with broad glabrous margins; corolla c. 2.5 cm long, funnel-shaped, pink, glabrous, midpetaline bands terminating in a prominent tooth, c. 2.5 cm diam. Capsules 10 × 5 mm, ovoid, glabrous; seeds 5 × 2 mm, dark grey, minutely tomentellous.

Illustration.

Figure 187 .

Distribution.

Only known from the type. Locally abundant in disturbed ground on sand. BRAZIL. Tocantins: the type.

Note.

Very distinct because of the unusual leaf shape, solitary flowers with suppressed peduncles and narrowly lanceolate, pubescent sepals.

Figures

Figure 187. Ipomoea kraholandica. A habit B outer sepal C inner sepal D corolla opened out to show stamens E ovary and style F capsule and calyx G seed. Drawn by Rosemary Wise from Santos et al. 719.