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
40.
Ipomoea haenkeana
Choisy in A.P. de Candolle
, Prodr. 9
: 358. 1845. (Choisy 1845: 358)
Type.
BOLIVIA.
"Cochabamba"
,
T. Haenke
(lectotype BR006973261, designated here; isolectotype BR).
Description.
Erect perennial to 2 m, branched towards the apex, stems woody, tomentellous. Leaves subsessile, mostly 3-6
x
2-4 cm, oblong-obovate, apex rounded and apiculate, base rounded to truncate, slightly asymmetric, adaxially dark green and thinly pilose to subglabrous, abaxially grey-tomentose; petioles 0-4 mm. Inflorescence of shortly pedunculate cymes from the uppermost leaf axils forming a terminal panicle of raceme-like branches; peduncles 1-3 cm; bracteoles 9-12
x
1-2 mm, lanceolate, acute,
+/-
persistent; pedicels 2-5 mm (so cymes very dense); sepals subequal, 7-9
x
3-4 mm, oblong-ovate, acuminate to shortly apiculate, grey-sericeous; corolla 3.5-4 cm long, funnel-shaped, pale pink with a darker centre, pubescent outside, the limb 2.5-3.5 cm diam. Capsules and seeds not known.
Illustration.
Figure
17A
; Wood et al. (2015: 40, photo).
Distribution.
Locally common in cerrados in Santa Cruz Department in Bolivia and adjacent areas of Mato Grosso extending sporadically eastwards to Minas Gerais.
BRAZIL. Mato Grosso
:
Cuaiba
,
L. Riedel
(NY); Serra de Roncador,
H.S. Irwin et al.
16026 (NY);
Corrego
da Palha,
D.L. Amaral
175 (LE, RB); Parque Estadual Cristalina,
D. Sasaki
11907 (RB).
Mato Grosso do Sul
:
G. Hatschbach
58891 (CTES, MBM, SP).
Minas Gerais
: Lagoa Santa,
E. Warming
(NY, P); Ituiutaba,
A. Macedo
665 (BM, NY).
Sao
Paulo
: Fazenda Campininha,
O. Handro
448 (UEC).
BOLIVIA. Santa Cruz
: Chiquitos, Santiago de Chiquitos,
J.R.I. Wood
17972 (K, LPB, USZ); Florida, Laguna
Volcanes
near Bermejo,
A. Fuentes
348 (LPB, NY, USZ); Guarayos,
Ascension
de Guarayos,
A. Krapovickas & A. Schinini
31838 (CTES, FTG); Ichilo, Buenavista,
J. Steinbach
5583 (GH, LPB, NY, F);
Nuflo
de
Chavez
, 40 km S. of
Concepcion
,
T.J. Killeen
2345 (LPB, NY, F, MO, USZ). Sara, N.of La
Belgica
,
M. Nee & M. Sundue
52213, (LPB, NY, USZ);
Angel
Sandoval, San
Matias
,
A. Krapovickas & A. Schinini
36185 (G, LIL); Velasco, San Ignacio hacia El Recreo,
J.R.I. Wood et al.
24788 (K, LPB, UB, USZ).
Notes.
Ipomoea haenkeana
is most likely to be confused with
I. cuneifolia
which has narrower leaves and a much shorter, more compact, unbranched terminal inflorescence.
The cited type locality of
"Cochabamba"
must be wrong as this is a plant of lowland cerrado vegetation, not inter-Andean dry valleys.