Ipomoea tenuifolia (Vahl) Urb.

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

204. Ipomoea tenuifolia (Vahl) Urb. , Symb. Antill. 5: 472. 1908. (Urban 1908: 472)

Convolvulus tenuifolius Vahl , Symb. Bot. 3: 33. 1794. (Vahl 1794: 33). Type. JAMAICA. Sine data (holotype C10009690, possible isotype BM).

Ipomoea fawcettii Urb. ex House in Ann. New York Acad. Sci. 18: 216. 1908. (House 1908b: 216). Type. JAMAICA. Long Mountain, south side, 9 Nov. 1907, W. Harris 10010 (holotype NY00111099, isotype BM).

Type.

Based on Convolvulus tenuifolius Vahl

Description.

Twining perennial liana to 3 m; stems woody, grey, glabrous. Leaves borne on brachyblasts, sometimes clustered, petiolate, palmately divided into 5-7 leaflets, leaflets 1-2.5 × 0.05-0.7 cm, linear, oblong, oblanceolate to obovate, obtuse or retuse, tapered at base into petiole, paler and punctate beneath, glabrous; petioles 1.5-3.5 cm. Flowers solitary or paired, ± terminal from the brachyblasts; peduncle very short, 1-2 mm; bracteoles caducous; pedicels 6-14 mm; sepals unequal, glabrous with broad scarious margins, outer 4-5 × 3-4 mm, elliptic to suborbicular, inner c. 7 × 4-5 mm, elliptic, obtuse; corolla 3-3.5 cm long, narrowly funnel-shaped, glabrous, tube greenish, limb pale pink, 2-2.5 cm diam.; stamens held at corolla mouth. Capsules ovoid, rostrate, glabrous; seeds long pilose.

Distribution.

A Jamaican endemic.

JAMAICA. St Catherine, Hellshire Hills, C.D. Adams 10775 (BM); Long Mt., W. Harris 11944 (BM, K, NY); St Andrew, G.R. Proctor 17412 (BM); St Thomas, G.R. Proctor 36516 (BM); McFadyen s.n. (K).