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
208.
Ipomoea carolina
L.
, Sp. Pl. 1
: 160. 1753. (Linnaeus 1753: 160)
Ipomoea umbellata
L., Syst. Nat., ed. 10, 2: 924. 1759. (Linnaeus 1759a: 924). Type. Icon in Plumier in Burman, Pl. Amer: t. 92, f. 2 (1756), designated by Staples and Austin in Staples and Jarvis (2006: 1023).
Ipomoea caroliniana
Lam.
, Tabl. Encycl. 1
(2): 464. 1793 [11 Feb 1793], nom. superfl. Type. Based on Catesby 2: t.91 [erroneously 19] (1743).
Ipomoea heptaphylla
Griseb.
, Pl. Wright. 2
: 527. 1862. (Grisebach 1862a: 527), nom. illeg., non
Ipomoea heptaphylla
Sweet (1830)
. Type. CUBA.
C. Wright
1371[1649] (lectotype GOET002514, designated here; isolectotypes B, GH, GOET, HAC, K, MO, NY, PH, S, YU).
Quamoclit heptaphylla
(Griseb.) M.
Gomez
, Fl. Habana 346
. 1899 [pub.1897]. (
Gomez
de la Maza y
Jimenez
1897: 346).
Ipomoea yamuriensis
Urb.
, Symb. Antill. 9
: 247. 1924. (Urban 1924b: 247). Type. CUBA. Prov. Oriente, [Matanzas],
Rio
Yamuri, 600-700 ft., 7 Dec. 1910,
J.A. Shafer
7819 (isotypes NY, GH).
Type.
Icon in Catesby
, Nat. Hist. Carolina 2
: 91, t. 91 (1743), designated by Dandy (1958; 112).
Description.
Scrambling liana; stems woody, glabrous, bark pale brown. Leaves petiolate, digitately divided into 3-5 often very unequal, shortly petiolate leaflets, leaflets 2-6.5
x
0.7-2.2 cm, oblanceolate to obovate, acute, obtuse or retuse, tapering into a petiolar base, margin often undulate, both surfaces glabrous, somewhat coriaceous in texture; petioles 1.7-4.7 cm. Inflorescence of few-flowered axillary cymes; peduncles 0.3-4 cm, often stout and woody and becoming brachyblast-like; bracteoles early caducous, not seen; secondary peduncles 7-13 mm, mostly spreading at right angles to peduncle; pedicels 7-20 mm; sepals glabrous, coriaceous, margins scarious, slightly unequal, outer 6-8 mm, ovate, obtuse, inner 9-10
x
8 mm, elliptic to suborbicular, rounded; corolla 4-5 cm long, funnel-shaped, pale violet with a dark centre, glabrous, tube pale on the exterior, limb c. 3 cm diam., weakly lobed; stamens included. Capsules ovoid to ellipsoid, 10-14
x
8 mm, glabrous; seeds 5-6 mm, long-pilose, the hairs up to 15 mm, principally marginal.
Illustration.
Figures
11C
,
94D
,
106
.
Figure 106.
Ipomoea carolina
.
A
habit
B
habit
C
outer sepal
D
inner sepal
E
corolla opened out to show stamens
F
ovary and style
G
seed. Drawn by Rosemary Wise
A, C-G
from
Correll
50233;
B
from
Morton &
Acuna
2919.
Distribution.
Growing in dry forest in the Bahamas and Cuba, probably most common in the latter.
BAHAMAS.
C. Mathews
79 (K). North Andros,
D.S. Correll et al.
49373 (MO). New Providence:
N.L. Britton & L. Brace
180 (NY); ibid.,
P. Wilson
8396 (K, MO, NY); ibid.,
D.S. Correll
50233 (BM).
CUBA.
M.
Lopez
Figuieras
1273 (HAJB), 1631 (HAJB), 2023 (HAJB), 2287 (HAJB).
Camaguey
:
J.A
, Shafer 2866
(NY).
Cienfuegos
:
R. Combs
509 (K, NY).
Guantanamo
: Loma Santa Teresa, El Yunque,
J.A. Shafer
7742 (K, NY); Baracoa,
F. Michelangeli et al.
1461 (NY);
Rio
Yara, Sierra Maestre,
E.L. Ekman
16412 (BM, S).
Holguin
: Sierra Nipe,
C.V. Morton & J. Acuna
2919 (BM, US).
Isla de Juventud (Pinos)
:
N.L. Britton et al. 15530
(NY).
La Habana
: Madruga
,
Bro.
Leon
8941
(NY).
Matanzos
:
N.L. Britton & P. Wilson
41 (K, NY).
Pinar del
Rio
:
J. A. Shafer
11115 (MO).
Santiago de Cuba
:
E.L. Ekman
7992 (NY, S), 14848 (NY, S).
Villa Clara
:
Bro.
Leon
4108 (NY).
Note.
This species is very distinct because of its digitately divided leaves with oblanceolate or obovate leaflets combined with a funnel-shaped corolla, which is pale violet with a dark centre.