Ipomoea fasciculata

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

422. Ipomoea fasciculata J.R.I. Wood & Scotland, Phytokeys 88: 18. 2017. (Wood et al. 2017d: 18)

Type.

BRAZIL. Pernambuco, Agrestina, Inselberg Pedra Cabeça de Velho, P. Gomes, M. Alves & B. Maciel 658 (holotype RB00601358, isotype UFP).

Description.

Climbing perennial, stem minutely puberulent, glabrescent. Leaves petiolate, 2.5-5.5 × 2.4-5 cm, ovate, cordate with rounded auricles, apex acute, margin undulate to minutely denticulate, both surfaces shortly puberulent but more densely so on the abaxial veins, abaxially paler; petioles 1-4.5 cm, thinly puberulent. Inflorescence of pedunculate axillary cymes reduced to pedunculate clusters; peduncles 3.5-5.5 cm, puberulent; bracteoles 5 × 1.5 mm, lanceolate, acuminate, scarious, caducous; pedicels 1-3 mm, pubescent; sepals slightly unequal, glabrous; outer 5-6 × 3 mm, ovate, mucronate, abaxially slightly muricate, margin scarious, inner 6-8 × 4-6 mm. oblong-elliptic, rounded and mucronate, entirely scarious except central area; corolla c. 5 cm long, pink, funnel-shaped, glabrous, limb 3 cm diam.; stamens included; longer filaments 12-15 mm, shorter c. 10 mm. Capsules ovoid, rostrate, 5 × 3 mm with 1 mm long mucro, glabrous; seeds not seen.

Illustration.

Figure 207 .

Distribution.

Only known from a single inselberg in north eastern Brazil.

BRAZIL. Pernambuco: Only known from the type collection.

Note.

Distinct because of clustered flowers, prominently mucronate, small, scarious sepals and small, rostrate capsules.

Figures

Figure 207. Ipomoea fasciculata. A habit B adaxial leaf surface C abaxial leaf surface D outer sepal E middle sepal F inner sepal G corolla opened out to show stamens H ovary, style and stigma. Drawn by Rosemary Wise from P. Gomes et al. 658.