Ipomoea furcyensis 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

209. Ipomoea furcyensis Urb. , Symb. Antill. 3 (2): 351 1902. (Urban 1902-3: 351)

Convolvulus macrorhizos L., Syst. Nat., ed. 10, 2: 923. 1759. Type. Icon in Plumier in Burman, Pl. Amer. T, 90, f. 1 (1756), designated by Staples and Jarvis (2006: 1021).

Ipomoea macrorhiza (L.) Roem. & Schult., Syst. Veg. 4: 211. 1819. (Roemer and Schultes 1819: 211), nom. illeg., non Ipomoea macrorhiza Michaux (1803) .

Ipomoea plumieriana House , Bot. Gaz. 43 (6): 413. 1907. (House 1907b: 413). Type based on Convolvulus macrorhizos L.

Type.

HAITI. Furcy Mountains, L. Picarda 1501 (?B† wherabouts uncertain).

Description.

Liana; stems woody, glabrous. Leaves petiolate, digitately divided into 5-7 leaflets, leaflets 1.5-11 × 0.5-3.5 cm, variable in size in the same leaf, oblong-elliptic or oblanceolate, acuminate to an obtuse, mucronate apex, base attenuate to a short petiole, glabrous; petioles 1.5-6.5 cm. Inflorescence of lax, much-branched axillary cymes; peduncles 2.5-8 cm; bracteoles caducous; secondary and tertiary peduncles 1-5 cm; pedicels 11-17 mm; sepals 7-10 mm, obovate-elliptic, rounded, coriaceous, reddish, margins scarious, inner slightly exceeding outer; corolla 4-5 cm long, glabrous, pinkish-purple, funnel-shaped, the tube abruptly widened just above the base, limb very broad, 3-4 cm diam. Capsules 12-14 × 7 mm; narrowly ovoid to subconical, acute, the style somewhat persistent; seeds pilose.

Distribution.

Endemic to and common in moist mountain forests in Hispaniola.

HAITI. Jacmel, Fr. Xavier 1896 (BM); E.L. Ekman H1230 (S), 2253 (S); Massif de la Selle, E.L. Ekman H10880 (K, NY, S); Massif de la Hotte, T.A. Zanoni et al. 24080 (MO, NY). DOMINICAN REPUBLIC. San Juan, Piedra del Aguacate, R.A. Howard 9428 (BM); Barahona, M.D. Fuertes 1397 (BM, K, NY); ibid., E.L. Ekman H11011 (S); Santiago, A.H. Liogier 17238 (NY); ibid., La Hotte, R.A. Howard 12248 (BM); San José de Occoa, A.H. Liogier 24961 (NY); La Vega, T.A. Zanoni et al. 27545 (MO, NY).

Note.

This is the Hispaniola counterpart of Ipomoea lineolata and I. carolina . It is distinguished by its relatively long, usually oblanceolate leaflets and the relatively long peduncles and pedicels.