A foundation monograph of Ipomoea (Convolvulaceae) in the New World
Author
Wood, John R. I.
Author
Munoz-Rodriguez, Pablo
Author
Williams, Bethany R. M.
Author
Scotland, Robert W.
text
PhytoKeys
2020
143
1
823
http://dx.doi.org/10.3897/phytokeys.143.32821
journal article
http://dx.doi.org/10.3897/phytokeys.143.32821
1314-2003-143-1
F6F11A6EE4FF5A1885CEA2B60AE965A5
187.
Ipomoea balioclada
Urb.
, Symb. Antill. 9
: 245. 1924. (Urban 1924b: 245)
Type.
CUBA. Prov. Oriente [
Guantanamo
], Sierra Maestra supra Daiquiri, c. 800 m, 28 Oct. 1916,
E.L. Ekman
8080 (holotype S07-4401, isotypes BM, G, NY).
Description.
Twining perennial, stems somewhat woody, glabrous but covered in numerous flat black glands. Leaves petiolate, 5-9
x
3-6 cm, deltoid, acuminate, base truncate with rounded auricles, margin slightly sinuate, both surfaces glabrous; petioles 1.5-4 cm, glandular. Inflorescence of pedunculate axillary cymes; peduncles 2.5-5 cm, glandular, glabrous; bracteoles lanceolate, 2.5-3 mm long, caducous; secondary peduncles 6-10 mm; pedicels 16-18(-25) mm; sepals unequal, rather rigid, glabrous with prominent scarious margins, elliptic, obtuse to rounded, outer 6-9
x
4-6 mm, inner 10-12
x
6-7 mm; corolla 5-5.5 cm long, funnel-shaped, glabrous, pink, stamens shortly exserted. Capsules ovoid, 12
x
9 mm, rostrate, glabrous; seeds 5
x
3 mm, long-pilose on the margins with hairs up to 12 mm.
Distribution.
Endemic to eastern Cuba in the Sierra Maestra. We have not seen any collections other those by Ekman.
CUBA. [
Guantanamo
?]: Sierra Maestra, Arroyo
Jimenez
,
E.L. Ekman
14805 (HAC, S).
Note.
Although
O'Donell
annotated specimens of this species as
Ipomoea alterniflora
, it is very distinct because of the black glands on the stem, peduncles and, sometimes, the petioles. The corolla is pink.