Ipomoea argentifolia A. Rich. ex Sagra
|
publication ID |
https://dx.doi.org/10.3897/phytokeys.143.32821 |
|
persistent identifier |
https://treatment.plazi.org/id/9B0C6664-7AEC-3C38-9B45-2737502B2DFD |
|
treatment provided by |
|
|
scientific name |
Ipomoea argentifolia A. Rich. ex Sagra |
| status |
|
192. Ipomoea argentifolia A. Rich. ex Sagra View in CoL View at ENA , Hist. Fis. Cuba, Bot. 3: 131. 1850. (Sagra 1850: 131)
Exogonium argentifolium (A.Rich. ex Sagra) House , Bull. Torrey Bot. Club. 35 (3): 102. 1908. (House 1908a: 102).
Type.
CUBA. Isla de Pinos [Isla de la Juventud], M.R. de la Sagra 1689 (holotype P00622212).
Description.
Perennial liana, stems woody, floccose. Leaves often absent at anthesis, shortly petiolate, 3.5-11 × 1-4 cm, thick in texture, oblong or obovate-oblanceolate, apex cuneate and with prominent stout mucro, base narrowly cuneate, densely tomentose on both surfaces, grey adaxially, white abaxially; petioles 8-20 mm, white-tomentose. Inflorescence on short leafy axillary branchlets 2-8 cm long; bracteoles 5-6 mm, linear-oblanceolate, tomentose, caducous; pedicels 5-14 mm, pilose to tomentose; sepals subequal, 10-11 × 6-7 mm, elliptic, obtuse, densely tomentose; corolla 3.5-4.5 cm long, hypocrateriform, basal cylindrical tube 3-3.5 × 0.5-0.6 cm, dark red, limb, 1.5-2 cm diam., red, glabrous, stamens exserted.
Illustration.
Wood and Scotland (2017c: 6).
Distribution.
Endemic to Cuba, growing in woodland in the extreme east and extreme west of the island.
CUBA. Granma: Media Luna, Niquero, R. Alonso 13598 (HAC), 20502 (HAC). Holguín: Sierra de Nipe, E.L. Ekman 10136 (NY, S); 9554 (S); 3080 (S); J. Bisse et al. (HAJB36052); M. López Figuieras 1744 (HAC, HAJB). Isla de la Juventud [I. de Los Pinos]: C. Wright 449 (HAC, K); N.L. Britton et al. 14353 (NY); E.L. Ekman 12222 (S), 12116 (S); Bro. Alain & E.P. Killip 2078 (HAC); A.H. Curtiss 489 (NY); E.P. Killip 45793 (US). Santiago de Cuba: Rente, Bahia de Santiago, Bro. Clemente 2570 (HAC); Sierra Santa María del Loreto, M. López Figuieras 317, 3021 (HAJB); Ocujal, J. Bisse & H. Lippold (HAJB14078); Entre el Cuero y Nima-Nima, M. López Figuieras 970 (HAC, HAJB).
Note.
The sepals are obtuse, noticeably longer than broad and the inflorescence is borne on leafy side branches. The corolla limb is broader (2-2.5 cm) than in Ipomoea praecox . Also noteworthy are the cuneate leaf base, white-tomentose leaves and white-tomentose sepals.
It was recorded in error from Mexico ( Villaseñor 2016: 702).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.