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
398.
Ipomoea eriocarpa
R. Br.
, Prodr. 484
. 1810. (Brown, R 1810: 484)
Convolvulus eriocarpus
(R. Br.) Spreng.
, Syst. Veg. 1
: 598. 1825 [pub. 1824]. (Sprengel 1824: 598).
Convolvulus hispidus
Vahl
, Symb. Bot. 3
: 29. 1794, (Vahl 1794: 29). Type. "India Oriental".
Dahl
(wherabouts unknown).
Ipomoea hispida
(Vahl) Roem. & Schult.
, Syst. Veg. 4
: 238. 1819. (Roemer and Schultes 1819: 238), nom. illeg., non
I. hispida
Zaccagni (1806)
.
Ipomoea sessiliflora
Roth
, Nov. Pl. Sp. 1821
: 116. (Roth and Heyne 1821: 116.). Type. INDIA.
Heyne
s.n. (whereabouts unknown).
Convolvulus sessiliflorus
(R.Br.) Spreng.
, Syst. Veg. 1
: 599. 1825 [pub. 1824]. (Sprengel 1824: 598).
Ipomoea ligulata
Bojer
, Hortus Maurit. 229
. 1837. (Bojer 1837: 229). Type. Not designated.
Ipomoea trematosperma
Hochst ex Choisy in A.P. de Candolle
, Prodr. 9
: 367. 1845. (Choisy 1845: 367 sub
I. sessiliflora
Roth
). Type. SUDAN. Kordofan,
K. Kotschy
289 (BM, G, HBG).
Ipomoea horsfieldiana
Miq.
, Fl. Ned. Ind. 2
: 611. 1857 (Miquel 1856-58: 611). Type. INDONESIA. Java, Socrakarta,
T. Horsfield
s.n. (?holotype U0001410, isotype K).
Ipomoea hispida
var.
latifolia
Kuntze
, Rev. Gen. 2
: 445. 1891. (Kuntze 1891: 445). Type. INDONESIA. Java, Probolingo,
O. Kuntze
5994 (isotype NY00319255).
Ipomoea hispida
var.
angustifolia
Kuntze
, Rev. Gen. 2
: 445. 1891. (Kuntze 1891: 445). Type. INDONESIA. Java, Willis Mountain,
O. Kuntze
5844 (isotype NY00319254).
Ipomoea sindica
Stapf
, Bull. Misc. Inform. Kew 1894
: 346
. 1894. (Stapf 1894: 346). Type. INDIA. Sirhind,
T. Thomson
(K001081737, lectotype, designated here).
Type.
AUSTRALIA.
Banks & Solander
s.n. (holotype BM001040629).
Description.
Annual herb, stems twining or prostrate, pubescent or hispid, up to 2 m long. Leaves petiolate, 2.5-8
x
0.8-5 cm, ovate to narrowly oblong, base usually subhastate with rounded auricles, apex acute, both surfaces pilose to glabrescent; petioles 1-6 cm. Inflorescence of axillary subsessile or shortly pedunculate compact cymes; peduncles 0-15 mm; bracteoles linear; pedicels 2-5 mm; sepals subequal, 8-9
x
3-4 mm, ovate, acuminate, hispid-pilose, spreading in fruit; corolla 6-9 mm long, narrowly funnel-shaped, white, pink or mauve, hirsute, limb c. 1.5 cm diam. Capsules globose, 5-7 mm diam., pubescent, often enclosed by the calyx; seeds 2.5 mm, black, glabrous, punctate.
Illustration.
Bosser and Heine (2000: 40); Deroin (2001: 191).
Distribution.
A common Old World weedy species recorded as an adventive in the Caribbean region.
PUERTO RICO.
Rio
Piedras,
J.A. Stevenson
2278 (K, NY).
LESSER ANTILLES. St Vincent
: "Rev. L. G." (K).
Note.
A rather distinct Old World annual species because of its small hirsute flowers, ovate acuminate sepals that are spreading in fruit, and hirsute capsule. It is the only representative of an Old World Clade found in the Neotropics.