Ipomoea ana

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

153. Ipomoea ana - mariae L.V. Vasconc. & Sim.-Bianch., Brittonia 68: 142. 2016. (Vasconcelas et al. 2016: 142)

Type.

BRAZIL. Bahia, Ibícoara, L.V. Vasconcelas, E. Melo , F. França & P.H.S.

Mercês 598 (holotype HUEFS, isotypes NY, SP).

Description.

Liana with tuberous roots, all vegetative parts glabrous. Leaves petiolate, 3-6 × 1-2.3 cm, lanceolate to ovate, attenuate to a mucronate apex, base cuneate; petioles 0.7-1.8 cm. Inflorescence of compound, axillary cymes; peduncles 1.5-3 cm; bracteoles c. 1 mm, ovate, caucous; seconday peduncles 1-3 cm; pedicels 1-1.5 cm; sepals slightly unequal, 4.5-6 × 3-5 mm, ovate, convex, rounded, the inner slightly larger and with scarious margins; corolla 3-3.5 cm long, hypocrateriform to suburceolate, pink, glabrous, the limb entire, 2-3 mm long. Capsules ovoid, glabrous, 11-12 × 7 mm; seeds 5-6 mm long, pubescent, the hairs up to 12 mm long, more dense on the angles.

Illustration.

Figure 89 ; Vasconcelas et al. (2016: 143-144).

Distribution.

Apparently endemic to Caatinga and Mata Atlântica in Bahia.

BRAZIL. Bahia: Jussiape, ca. 14 km antes de Jussiape, na estrada de Capão da Volta, R.M. Harley & A.M. Giulietti 53949 (HUEFS, SP); Abaíra, W. Ganev 3275 (HUEFS, HST); Boa Nova, P.N. de Boa Nova, G.S. Brandão & G.S. Silva 335 (PEUFR); Poções, Morrinhos, M.M. Saavedra 1007 (RB).

Note.

Differs from Ipomoea pintoi only in the suburceolate corolla with exserted stamens. It is perhaps more widely distributed than is suggested here because of confusion with Ipomoea pintoi .

Figures

Figure 89. Ipomoea ana-mariae. A habit B outer sepal C inner sepal D corolla opened out to show stamens E ovary and style. Drawn by Rosemary Wise from W. Ganev 3275.