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
214.
Ipomoea digitata
L., Syst. Nat., ed. 10, 2: 924. 1759. (Linnaeus 1759a: 924)
Quamoclit digitata
(L.) G. Don
, Gen. Hist. 4
: 260. 1838. (Don 1838: 260).
Ipomoea paniculata
var.
digitata
(L.) Kuntze
, Revis. Gen. Pl. 2
: 445. 1891. (Kuntze 1891: 445).
Ipomoea rubrocincta
Urb. Symb. Antill
3(2): 347. 1902. (Urban 1902-3: 347). Type. HAITI. Inter La Coupe et Pintade,
W. Buch
482 (holotype B?†, fragment and photo of holotype US).
Ipomoea rubrocincta
var.
brachyloba
Urb.
, Symb. Antill 7
: 341: 1912. (Urban 1912: 341). Type. HAITI. Poste Coudon,
W. Buch
1015 (holotype B, isotype GH00054578).
Type.
Icon in Plumier in Burman
, Pl. Amer. 81
, t. 92, f. 1 (1756), uncertainly designated by Stearn 1961: 17), redesignated as lectotype here).
Description.
Stout climbing perennial; stems woody below, usually glabrous. Leaves petiolate, rather small, palmately 5-7-lobed generally to about two thirds, base truncate, lobes 1-2.5
x
0.2-0.7 cm, oblong to narrowly lanceolate, obtuse to retuse, sometimes muricate, the laterals smaller and often pedate, margin entire, undulate or crenate, usually glabrous. Inflorescence of pedunculate 2-5-flowered axillary cymes; primary peduncles 2-6.5 cm; bracteoles 1 mm, deltoid, acute, deciduous; secondary and tertiary peduncles 1.5-2.5 cm; pedicels 5-11 mm; sepals subequal, 3-5 mm, suborbicular, obtuse or rounded, coriaceous, glabrous, margins reddish, the inner scarious; corolla 3-4 cm long, funnel-shaped from a very narrow base, pink, glabrous, limb c. 2 cm diam., shallowly lobed. Capsules ellipsoid, 8-9
x
5 mm, glabrous; seeds 5-6
x
2 mm, long-pilose with white hairs c. 7 mm long.
Illustration.
Liogier (1994: 81).
Distribution.
Endemic to coastal forest on limestone hills in Hispaniola.
HAITI.
Massif de la Hotte,
E.L. Ekman
H2433 (S); H6048 (S); Massif des Cahos,
Gonaives
,
E.L. Ekman
H9065 (NY, S).
DOMINICAN REPUBLIC.
Santo Domingo,
E.L. Ekman
H13512 (K, S);
Rio
Arriba del Norte,
R.A. & E.S. Howard
8923 (BM); Monte Cristi,
A.H. Liogier
16417 (NY).