A revision of Geonoma (Arecaceae)
Author
Henderson, Andrew
text
Phytotaxa
2011
2011-02-18
17
1
271
journal article
24911
10.11646/phytotaxa.17.1
65962ba7-eec1-40e7-aed6-cef94e99ca39
1179-3163
3538362
14g
.
Geonoma cuneata
subsp.
procumbens
(Wendland ex Spruce) Henderson
,
comb. & stat. nov.
Basionym:
Geonoma procumbens
Wendland ex
Spruce (1871: 105)
.
Geonoma cuneata
var.
procumbens
(Wendland ex Spruce) Skov ex
Govaerts & Dransfield (2005: 114)
. Type:
COSTA RICA
.
Heredia
: Sarapiquí, 1857,
H. Wendland s.n.
(
holotype
K!).
Leaves
pinnate; petioles drying green or yellowish; veins not raised or slightly raised and triangular in crosssection adaxially; rachis 71.3(42.0–108.0) cm long; pinnae 12(1–28) per side of rachis.
Inflorescences
staminate flowers deciduous after anthesis; non-fertilized pistillate flowers deciduous after anthesis.
Distribution and habitat:—
From 7°24’–
11°43’N
and 77°40’–
85°20’W
in
Nicaragua
,
Costa Rica
, and
Panama
at 221(50–700) m elevation in lowland rainforest (
Fig. 15
).
There are two separate populations, in
Nicaragua
and
Costa Rica
, and eastern
Panama
. These do not differ from each other except for two variables (apical pinna width, rachilla width–both wider in the
Panama
population)(
t
-test,
P
<0.05).
Two specimens (
Herrera
752, 973
) from the same locality in eastern
Panama
, and from the same locality as other specimens of
subsp.
procumbens
, differ in their undivided leaves.