Ipomoea leucotricha Donn.

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

263. Ipomoea leucotricha Donn. -Sm., Bot. Gaz. 23: 10. 1897. (Donnell Smith 1897: 10)

Type.

GUATEMALA. E.W. Nelson 3512 (holotype US00111412, isotype F).

Description.

Twining perennial to 4 m, stems silvery-canescent when young, somewhat glabrescent. Leaves petiolate, 6.5-12 × 5.5-10 cm, ovate-orbicular, cordate with rounded auricles, apex obtuse but terminating in a mucro up to 5 mm long, margin undulate, sometimes lobed, adaxially thinly adpressed pilose, abaxially silvery-canescent; petioles 2.5-4 cm, grey-pubescent. Inflorescence of pedunculate, often dense, axillary cymes; peduncles 4-5(-10) cm, sericeous; bracteoles linear, 7-14 × 1-2 mm, sericeous, deciduous; secondary and tertiary peduncles 5-12 mm; pedicels 5-11 mm, grey-sericeous; sepals unequal, outer ovate 8-10 × 3 mm long, including a fine recurving mucro 3-4 mm long, densely tomentose, inner 10-13 × 4 mm, ovate, acuminate, the apex usually erect, margins scarious but thinly tomentose; corolla 5-7 cm long, funnel-shaped, purple, sericeous, limb 5 cm diam., weakly lobed. Capsules unknown.

Illustration.

Figure 134 .

Distribution.

Disturbed deciduous forest, 800-1200 m, in Central America, apparently uncommon.

COSTA RICA. Puntarenas, Monte Verde, W.A. Haber 4050 (FTG); Monteverde-San Luis, P. Wilkin 434 (BM).

NICARAGUA. Jinotega, A.D. Moore 2107 (BM, FTG, MO); Llano el Pozo, Estelí, P.P. Moreno 19329 (MO).

GUATEMALA. Type collection.

MEXICO. Chiapas: Mun. San Fernando, Tuxtla-Gutierrez-Chicoasen Dam, D.E. Breedlove 41474 (ARIZ, MO).

Figures

Figure 134. Ipomoea leucotricha. A habit B abaxial leaf surface C outer sepal D inner sepal E corolla opened out to show stamens F ovary, style and stigma. Drawn by Rosemary Wise A from Moore 2107; B-F from Wilkin 434.