Ipomoea fuchsioides Griseb.

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

197. Ipomoea fuchsioides Griseb. , Cat. Pl. Cub. 205. 1866. (Grisebach 1866: 205)

Exogonium fuchsioides (Griseb.) House , Bull. Torrey Bot. Club. 35: 101. 1908. (House 1908a: 101).

Ipomoea fuchsioides var. parvifolia Griseb. , Cat. Pl. Cub. 205. 1866. (Grisebach 1866: 205). Type. CUBA. C. Wright 3095 (holotype GOET005700, isotypes BM, G, GH, HAC, K, MA, MO, YU).

Ipomoea arnoldsonii Urb. , Symb. Antill. 9: 424. 1925. (Urban 1925: 424). Type. CUBA. Pinar del Río, Viñales, E.L. Ekman 18029 (holotype S07-4319).

Type.

CUBA. “Occ.”, C. Wright [655] (lectotype GOET002513, designated here; isolectotypes, GH, GOET, YU).

Description.

Slender twining herb, stems scabrous to pilose. Leaves petiolate, 1.2-5.5 × 0.4-2.2 cm, narrowly to broadly ovate-deltoid, acute, mucronate, base truncate to shallowly cordate, pubescent on both surfaces, abaxially much paler; petioles 0.3-0.5 mm, pubescent. Inflorescence of shortly pedunculate, few-flowered axillary cymes, sometimes aggregated into small panicles on short branchlets; peduncles 0.3-0.6 cm; bracteoles caducous; pedicels 5-8 mm; sepals subequal, coriaceous, glabrous, reddish-brown with scarious margins, outer 4-5 × 2.5 mm, elliptic to suborbicular, obtuse to rounded, inner similar but 5-6 mm long; corolla 2.5-4 cm long, salver-shaped, dark red, glabrous, the cylindrical tube slightly widened below limb, limb 2 cm diam. Capsules suborbicular, 5-6 × 4 mm, glabrous; seeds (immature) densely pilose with long hairs.

Distribution.

Endemic to western Cuba and apparently characteristic of limestome mogotes.

CUBA. Isla de la Juventud [Pinos]: E.L. Ekman 12354 (S), 11822 (S). Pinar del Río: Tumidero, J.A. Shafer & Bro. León 3423 (HAC); Guanajay Mountain, P. Wilson 1789 (HAC); La Cajálbana, La Palma, Bro. Alain & J. Acuña 1224 (HAC); ibid., J. Bisse & H. Lipold (HAJB18301); A. Alvarez al. (HAJB51236); Bahía Honda, Bro. León 12554 (HAC); ibid., A. Alvarez et al. (HAJB51223); ibid., al norte del Pan de Guajaibón, J. Bisse (HAJB9619); Mogote del Queque, Viñales, Bro. Alain 3522 (HAC).

Note.

Plants treated as Ipomoea fuchsioides var. glabra with glabrous leaves are, in our opinion, Ipomoea microdactyla .