Ipomoea virgata Meisn. in Martius et al.

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

publication ID

https://dx.doi.org/10.3897/phytokeys.143.32821

persistent identifier

https://treatment.plazi.org/id/1EBA4F4A-BC7D-8F7E-A251-DB3EE709BD00

treatment provided by

PhytoKeys by Pensoft

scientific name

Ipomoea virgata Meisn. in Martius et al.
status

 

41. Ipomoea virgata Meisn. in Martius et al. View in CoL View at ENA , Fl. Brasil. 7: 241. 1869. (Meisner 1869: 241)

Ipomoea virgata var. paniculata Meisn. in Martius et al. , Fl. Brasil. 7: 241. 1869. (Meisner 1869: 241), nom. illeg, autonymic var.

Type.

BRAZIL. Minas Gerais, A.F. Regnell Ser. 3, 192 (lectotype BR0000005305797, designated by Wood et al. (2015: 43), isolectotypes K, S).

Description.

Ascending or erect undershrub from a woody xylopodium, stems woody, somewhat lanate. Leaves sessile, 3-7 × 2.5-5 cm, broadly ovate to narrowly elliptic, obtuse and apiculate, broadly cuneate at base, adaxially pubescent, abaxially whitish-floccose. Inflorescence of lax axillary cymes, forming an elongate terminal raceme, often somewhat compound below with branches to 7 cm in length, so appearing paniculate; peduncles 1-4.5 cm, villous; bracteoles lanceolate, acuminate, caducous; pedicels 5-8 mm; sepals subequal, 8-12 mm, ovate, acute, grey-tomentose; corolla 3-6 cm long, subcampanulate to broadly funnel-shaped, white(?), densely pilose with appressed hairs, limb 2.5-3.5 cm diam. Capsules (immature) 6-7 × 3-4 mm, narrowly ovoid, glabrous.

Distribution.

Apparently uncommon in both the cerrados of Brazil and Bolivia. In Bolivia only known from a single collection and in Brazil from scattered collections, mostly old, from three states.

BRAZIL. Mato Grosso: Santa Ana da Chapada, Robert 674 (BM), 701 (BM), 715 (BM). Minas Gerais: St Hilaire 354 (P); A.F.M. Glaziou 2179 (P); A. Macedo 1329 (S); Uberlandia, A. A. Barbosa 31776 (HUFU). São Paulo: Gaudichaud 316 (P); C.W. Mosén 1498 (P, S); A.F. Regnell 192 (S), 4289 (P).

BOLIVIA. Santa Cruz: Velasco, P.N. Noel Kempff Mercado, S. Jiménez & E. Gutiérrez 1274 (USZ).

Note.

A little known species with a paniculate inflorescence distinguished from Ipomoea haenkeana by its more woolly indumentum, ovate leaves and longer sepals.