Four New Species of Elaphoglossum (Elaphoglossaceae) from Venezuela

3 Pages·1991·2.2 MB·

by  John T Mickel

NEW
FOUR
OF
SPECIES
ELAPHOGLOSSUM
(ELAPHOGLOSSACEAE)
FROM
VENEZUELA
In a series of papers (Mickel, 1985, 1987, 1990) Elaphoglossum heteroglossum
Mickel, nov.
sp.
37 new
I published taxa of Elaphoglossum from TYPE: Venezuela. Portuguesa: Dept.
Sucre,
Venezuela. Specimens
sent recently La
for identifi- Divisoria de Concepcion, 09^*1 8'N,
la
cation included four more making W, 23-26
novelties, a total 70^06' Oct. 1985, Ortega al
et
of 107 species and three subspecific taxa known 2745(holotype, UC; NY),
isotype, Figure IB.
from
that country.
Lamina
utrinque glabra costaque squamis
nisi stipite
margine
subulatis et squamulis lanceolatis provisis praes-
Elaphoglossum
polyblepharum
Mickel,
sp.
tans.
nov. TYPE: Venezuela. Ama-
Territorio Federal
W mm
Rhizome 3-5
short-creeping, diam.;
zonas: Dept. Atures, side of valley of Rio rhi-
NNW
km ^^"^^ ^^^^^^ linear-lanceolate, orange-tan, 1.5-2
Coro-Coro, 8
of settlement of Yu-
^m
long, with sparse hair-teeth; phyllopodia
lack-
05°41'N, 66*'08'30"W, Mar. 1987,
taje,
1
& 30-40 cm
^""^"^^ approximate, 2.9-3.4
21517 long,
Liesner Hoist NY;
(holotype, ^^^S'
iso-
cm
MO). broad; stipe M-V^, the frond length, with scales
type, Figure lA.
mm
2-2.5
subulate, patent, brown;
long, blade
Ab
E. erinaceo frondium squamis
brevioribus rubro- narrowly papyraceous, apex acuminate.
elliptic,
brunneis necnon laminae squamosa
facie abaxiali diver- r j j
^ r
base narrowli y rounded; vei• ns evidient, free, ca. i1.5r*
„,,„
mm
60-70**
apart, at angle; hydathodes
lacking;
mm
liam.; rhizome scales blade scales on adaxial margin lanceolate, brown,
mm
mm
linear-lanceolate, orange, ca. 5 long, entire; 1-2 long, appressed, on abaxialcosta
subulate,
mm
30-40
phyllopodia lacking; fronds approximate, brown, 2-2,5
spreading, long, abaxial lamina
cm
cm
3.5-4.6
long, broad; stipe V4-V3 the frond subglabrous, with simple 0.1-
to stellate trichomidia
mm
length, densely clothed with patent, reddish brown, 0.2 much
long; fronds smaller than
fertile the
mm
4-6
subulate
scales long; blade narrowly
el- sterile {l^-Vh the length), stipe Vi the frond
fertile
mm
liptic, papyraceous, apex caudate, base broadly length, blade narrowly 8-11
broad;
elliptic,
mm
cuneate; veins evident,
free, ca. 1 apart, at fertile blade lacking scales on costa, margin, or
thod among
^, sporangia.
brown,
subulate, liberaUy distributed on abaxial Terrestrial in cloud forests, 1,500-1,800 m.
mm
1-2
more
surface, long, concentrated on mar-
Elaphoglossum
mm mm heteroglossum resembles
E. er-
1.5-2 2-3
and
gin, long, costa,
long,
inaceum
in the subulate scales of stipe and costa
lacking on the adaxial surface; fronds un-
fertile
but distinct in the small lanceolate marginal scales
is
known.
much
vs. long subulate ones, and the smaller
fertile
900-1,000
Epipetric wet m.
in forests,
fronds.
Additional specimens examined. Venezuela.
AMAZONAS: Dept same
Atures, locality as type, Liesner Elaphoglossum xiphoides
Mickel, nov. TYPE:
sp.
&
21405
Hoist (MO, NY);
Dept. Rio Negro, Cerro
Arati-
Venezuela. Bolivar: a cuenca media Rio
la del
tiyope, 02**10'N, 65°34'W, Steyermark al 130312
et
W,
Paragua,
06**03'N, 63^47' 13 June 1987,
(NY).
10310
Stergios NY).
(holotype, Figure IC.
Elaphoglossum polyblepharum
from
differs E,
Ab
erinaceum Moore E, rhynchophyllo laminae squamis
(Fee) in having frond scales red- ovatis gilvis et
'^''^™' intersporangialibus abstans.
nullis
brown
dish rather than black-brown,
these scales
mm
more
dense on
stipe, conspicuously present on lam- Rhizome creeping, 1-1,5 diam.; rhizome
mm
mm
inar surface, and shorter on margins (1.5-2
scales linear-lanceolate, orange-tan, ca. 3 long.
mm
3-4 mm) 4-
long and (2-3
vs. costa long phyllopod
vs.
mm
mm),
6 and the rhizome scales lighter orange and ered by scales; fronds 6-10 apart, 5-7 cm
mm
shorter 5 long 15-20 mm). 1-1,3 cm
(ca. vs. long, broad;
stipe the frond
V^-V^ sterile
Ann. Missouri Bot. Gard. 78: 259-261, 1991.
Annals the
of
260
Garden
Missouri Botanical
_" n
J ^ -
r '~H
ri*d1, J r , 1 , 1 "H H . " , J1 -1 IhL-I L ^, .
.^.- r' n ^L '. . . ^11 . . . L- . - , -- r. - p.-'
"'
'
:'-'^^^''l*L' i. rt
T; J •
I i I J' /.- " ' ^ .I^- . . ^ .H i u '- ,- *Mrjt II
mm
mm.
2
xiphoides.—D.
—A. polyblepharum.—B. heteroglossum.—C. E, zosteriformis
Figure Elaphoglossum E. E.
1.
Volume Number
Notes
78, 261
1
1991
length, with scales ovate-lanceolate, orange-tan, phyllopodia present; fronds approximate, 95
ca.
mm
cm cm
spreading, ca. 3 long; blade elliptic to lanceo- long, 4.8 broad; stipe 14 the frond length,
late, subcoriaceous, apex obtuse, base cuneate; veins with scales loosely appressed, linear-lanceolate, 1-
mm
mm
0.8-1 60°
evident, apart, at ca. angle; hy- 3
long, cilio-denticulate, tan, imbricate
to
dathodes lacking; blade scales scattered, orange- somewhat
deciduous; blade
charta-
linear-elliptic,
mm
1-2
on
tan, long abaxial costa, otherwise blade ceous, apex lacking, base narrowly cuneate; veins
mm
glabrous; fertile frond longer than sterile (ca. twice evident, 1 apart, at 80"* angle; blade scales
mm
%-%
as long), stipe the fertile frond length, blade adaxially lacking except for a few 1-2 long,
mm
linear, 5 broad; intersporangial scales lacking. on
cilio-denticulate scales costa, abaxially with scat-
wet 175 m.
Terrestrial in forests,
tered (touching but not overlapping)
dissected scales
mm
ca. long, linear-lanceolate, the teeth longer
1
Elaphoglossum
xiphoides similar to E. rhyn-
is
than body
the scale width, orange-tan, costa scales
chophyllum Christ in blade shape of and
fertile
mm
1-2
linear, long, cilio-denticulate with teeth
fronds, but the blade scales the former
sterile in
shorter than the scale body width; fronds
fertile
are tan, ovate, sparse on midvein, and intersporan-
unknown.
gial scales are lacking whereas in the latter the
Epiphytic wet
in forests of "tierra firme
y ri-
blade scales are black, linear, dissected, and
in-
unknown.
berenas,*' elevation
The
tersporangial scales are abundant. phyllopo-
dium
is indistinct but present in E. xiphoides In the long, narrow blade E. zosteriformis re-
whereas rhynchophyllum and
lacking in E. sembles laminar Moore,
it is E. ioides (Bory) but the
members squamipes
other of the E. complex.
former has on
It linear-lanceolate scales the blade
minutum Moore
also resembles E. (Pohl) in the and stipe whereas the latter has round, peltate
tan scales and the presence of a phyllopodium, but
scales.
the blade acuminate rather than obtuse,
fertile
is
the rhizome is longer-creeping, and occurs at a Literature Cited
it
m
much
lower elevation (175 over 3,000 m).
vs.
Mickel, T. 1985. The proliferous species of Ela-
J.
phoglossum
(Elaphoglossaceae) and
their relatives.
Elaphoglossum
zosteriformis 261-278.
Mickel, nov. Brittonia 37:
sp.
New
1987. Elaphoglossum
species of
(Ela-
TYPE: Venezuela. Bolivar: Rio Caneracuni, .
phoglossaceae) from northern South America.
Brit-
entre Caneracuni boca, 04^30'
y la N,
313-339.
tonia 39:
W, 13-26 11930
63^42' Apr. 1988, Stergios
Two
1990. new Elaphoglossum
species of
NY;
(holotype, isotype, UC). Figure ID. from Amazonas, Venezuela. Ann. Missouri Hot. Card.
594-595.
77:
Ab
E. laminarioide laminae stipitisque squamis
lineari- —
New
lanceolatis distans. John T. Mickel, York Botanical Garden,
New
Bronx, York 10458,
U,S,A,
mm
Rhizome compact, 5 diam.; rhizome
scales
linear-lanceolate, black-brown, lustrous, entire;