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
383.
Ipomoea longeramosa
Choisy in A.P. de Candolle
, Prodr. 9
: 384. 1845. (Choisy 1845: 384)
Ipomoea geranioides
Meisn. in Martius et al.
, Fl. Brasil. 7
: 276. 1869. (Meisner 1869: 276). Type. BRAZIL. Mato Grosso,
Cuiaba
,
L. Riedel
945, (lectotype NY00319188, designated by Wood and Scotland 2017c: 6), isolectotype LE).
Ipomoea punctata
C. Wright in Sauvalle
, Anales Acad. Cien. Med. Habana 7
: 44-45. 1870. (Sauvalle 1870: 44), nom. illeg., non
Ipomoea punctata
Pers (1805)
. Type. CUBA. [Sancti Spiritus], en las sabanas del potrero
Manati
, Trinidad,
C. Wright 3645
[1632] (lectotype K000612812, designated by Wood and Scotland 2017c: 6, isolectotypes GH, HAC).
Ipomoea flavopurpurea
Urban
, Symb. Antill. 3
(2): 345. 1902. (Urban 1902-3: 345). Type. Based on
I. punctata
C. Wright
Ipomoea dajabonensis
Alain
, Anales. Acad. Cien. Rep. Dom. 3
: 68. 1978. (Liogier 1978: 68). Type. DOMINICAN REPUBLIC. En manigua a la orilla de la carretera de
Dajabon
,
A & P. Liogier
27239 (isotype B10 0242101).
Type.
BRAZIL. Minas Gerais, Morro do Lobo,
Martius
s.n. (holotype M0185026, isotype M0185027).
Description.
Slender herb climbing to 70 cm, possibly annual, stems thinly pilose. Leaves petiolate, 3-4 cm long, 5-lobed to near base, base broadly cuneate, segments oblong to obovate, narrowed at base, minutely retuse and mucronulate, glabrous, punctate abaxially at least when young; petioles 3-4.5 cm, pilose. Inflorescence of solitary or paired, axillary flowers; peduncles 2-5 cm, glabrous; bracteoles 2 mm, filiform; pedicels notably thicker than peduncle, 10-15 mm; sepals nearly equal or inner slightly longer, 6-11
x
2-3 mm, lanceolate or oblong, finely acuminate, mucronate, glabrous or with a few spreading trichomes and spinules near base, margin narrowly scarious; corolla 2-3 cm long, cream with lavender centre, funnel-shaped to subcampanulate, glabrous; limb 2.5 cm, obscurely lobed, midpetaline bands ending in a tooth. Capsules 7-8 mm, glabrous, subglobose, slender style shortly persistent; seeds densely shortly pilose.
Illustration.
Liogier (1994: 113) as
Ipomoea dajabonensis
; Figures
141C
,
186
.
Figure 186.
Ipomoea longeramosa
A
habit
B
fruit
C
seed. Drawn by Rosemary Wise from
B. Pickersgill et al
. RU72-400.
Distribution.
Relatively frequent in the Caatinga region of NE Brazil; elsewhere rare and very scattered in occurrence both in other parts of Brazil, as well as in Guyana, Bolivia, Venezuela, Cuba and the Dominican Republic, and known from single records in four of these countries.
BRAZIL. Acre
: Rio Branco, entre Surumu & Miriam,
E. Ule
8286 (K, S).
Alagoas
:
R.P. Lyra-Lemos
4830 (IPA).
Amazonas
: Rio Branco,
J.G. Kuhlmann
720 (RB).
Bahia
:
D.V.
Braga
et al.
(IPA73962): Salvador,
L.R. Noblick
1476 (HUEFS).
Ceara
: Serra da Ema,
A.
Loefgren
524 (S); Serra Apody,
A.
Loefgren
740 (S);
J. Santino de Assis
379 (RB); Serra das Almas,
F.S. Araujo
1522 (HUEFS).
Mato Grosso
: Type of
Ipomoea geranioides
.
Mato Grosso do Sul
: Mun.
Corumba
, Lagoa do Jocadigo,
A. Pott et al.
4742 (CPAP); Faz. Vale de Esperanza,
A. Pott et al.
4838 (CPAP).
Minas Gerais
: Type of
Ipomoea longeramosa
.
Paraiba
: Regiones secas,
Coelho
de Moraes
2108 (K, MO);
Sao
Jose
dos Cadeiros,
R.M.T. Costa & M.F.M. de Brito
136 (JPB); Santa Teresinha,
B. Laine
16 (IPA).
Pernambuco
: Floresta,
A.C.B. Lins e Silva
217 (PEUFR); P.N. do Catimbau,
G.C. Delgado Junior
695 (RB).
Rio Grande do Norte
: 5 km from Currais Novas,
B. Pickersgill et al
. RU72-400 (K);
J.L. Costa-Lima
220 (UFRN).
Sergipe
:
A.M. Miranda and M. Grillo
4401 (UFPRE);
Caninde
de
Sao
Francisco,
R.
Simao-Bianchini
1743 (ASE).
GUYANA.
R. Schomburgk
(K).
BOLIVIA. Santa Cruz
: Velasco, 3 km N of San Rafael,
J.R.I. Wood et al.
24770 (K, LPB, USZ).
VENEZUELA.
Anzoategui:
E. Holt & W. Gehringer
156 (VEN) fide Austin (1982b: 168)
CUBA. [Granma
]: Aeropuerto
Rio
Cauto
,
Catasus
2
/95 (HAC40737).
Las Tunas
: Victoria,
J.
Acuna
& Montenegro
(HAJB17153).
Sancti Spiritus
: Trinidad, carrera de Casilda a Playa
Aneon
,
J. Bisse et al.
(HAJB34707).
Villa Clara
: Santa Clara, Casilda,
E.L. Ekman
18876 (S).
DOMINICAN REPULIC.
Type of
Ipomoea dajabonensis
.
Note.
An apparently easily overlooked annual herb distinguished by the palmately-lobed, abaxially punctate leaves, the yellowish corolla with a dark centre and the acuminate, mucronate sepals.