Ipomoea neriifolia Gardner

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

102. Ipomoea neriifolia Gardner , Icon. Pl. t. 471. 1842. (Gardner 1842a: t. 471)

Type.

BRAZIL. Goiás, Serra de Natividade, Feb. 1840, G. Gardner 3906 (holotype K000612792, isotype BM).

Description.

Erect undershrub to 40 cm from a xylopodium, stems distinctly woody, villous when young but eventually glabrescent. Leaves sessile, imbricate, 5.5-12 × 0.3-0.5 cm, linear or narrowly oblong, acute, margins inrolled, thinly pilose, especially below and on veins, thinly punctate on both surfaces. Inflorescence terminal formed of small cymes and individual flowers from the upper leaf axils; peduncles very short, 1-5 mm, villous; bracteoles caducous; pedicels 3-10 mm; sepals subequal, shotly mucronate, but mucro somewhat caducous, outer 7-8 × 4-5 mm, oblong-elliptic, obtuse to subacute, pubescent, inner 8-9 × 5 mm, elliptic, rounded, mucronate, margins scarious, only midrib puberulent; corolla 4-7 cm long, pink, funnel-shaped, glabrous, limb 3-5 cm diam. Capsules and seeds unknown.

Illustration.

Figures 8M , 68 .

Distribution.

A rare Brazilian endemic species of cerrado.

BRAZIL. Bahia: Espigão Mestre, ca. 100 km WSW of Barreiras, 760 m, W.R. Anderson et al. 36640 (FTG). Goiás: Type of Ipomoea neriifolia . Tocantins: Parque Estadual do Jalapão J.M. Rezende et al. 1011 (CEN).

Note.

This is close to Ipomoea queirozii differing in the shorter, broader pubescent sepals.

Figures

Figure 8. Corollas showing variations in form (side view), size, limb lobing and stamen exsertion. A Ipomoea argentea B I. repanda C I. neei D I. electrina E I. habeliana F I. santillanii G I. nationis H I. rubriflora J I. longistaminea K I. megapotamica L I. megalantha M I. neriifolia N I. syringifolia P I. ramosissima Q I. elongata R I. mucronatoproducta. A from Wood et al. 25639 and photo; B from Whitefoord 5244; C from Skutch 2043; D from Breedlove 27626; E from Bentley 203; F from Bourgeau 3024; G from Saunders 987; H from Wood et al. 27678; J from Pastore et al. 2678; K from Wood et al. 28060; L from Hassler 9114; M from Rezende et al. 1011; N from Stutz 1426 and photo; P from Bang 2246; Q from Purpus 3904; R from Wood & Villarroel 25474. Drawn by Rosemary Wise.

Figure 68. Ipomoea neriifolia. A habit B abaxial leaf surface C outer sepal D inner sepal E corolla opened up to show stamens F ovary and style. Drawn by Rosemary Wise from Rezende et al. 1011.