Ipomoea noctulifolia McPherson

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

267. Ipomoea noctulifolia McPherson , Contrib. Univ. Michigan Herb. 14: 91. 1980. (McPherson 1980: 91)

Type.

MEXICO. Jalisco, 5 miles SW of Santa Cruz de las Flores, R. McVaugh 16308 (holotype MICH1111344).

Description.

Prostrate trailing herb, stems coarsely pubescent with stiff, bulbous-based hairs. Leaves shortly petiolate, 0.8-3 cm long; rounded in outline, the lobes acute, basally cordate, margin dentate, adaxially glabrous or thinly pubescent, abaxially pubescent at least on the veins; petioles 0.6-1.8 cm. Flowers solitary, axillary, pedunculate; peduncles 1-22 mm, pubescent; bracteoles 1 mm, ovate; pedicels 2-15 mm, thickened upwards, pubescent; sepals unequal, outer 2-4 × 1-3 mm, inner 5.5-8.5 mm, ovate to elliptic, obtuse and sometimes mucronate, glabrous; corolla 6-7 cm, funnel-shaped, reddish-purple, glabrous, limb 3-4 cm wide. Capsules ovoid, 5-7 mm long, glabrous; seeds softly pubescent.

Illustration.

McPherson (1980: 92); McDonald (1987c: 86).

Distribution.

Endemic to Jalisco in central Mexico and recorded as growing in degraded woodland.

MEXICO. Jalisco: Zapopan: J.A. Lomeli 3378 (IEB); La Peña, Ejutla, P. Carillo-Reyes 2244 (IEB); Colotitlán, M. & H de Cházaro 4817 (IEB, MEXU).

Note.

The inflorescence takes the form of a long leafy raceme. The position of this species here requires confirmation.