Novelties in “ incertae sedis ” Vriesea (Bromeliaceae: Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
Author
Kessous, Igor M.
Programa de Pós-Graduação em Ciências Biológicas (Botânica), Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, CEP 20940 - 040, Rio de Janeiro, RJ, Brazil
Author
Costa, Andrea F.
Departamento de Botânica, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, 20940 - 040, Rio de Janeiro, Brazil
text
Phytotaxa
2023
2023-02-27
585
2
71
101
http://dx.doi.org/10.11646/phytotaxa.585.2.1
journal article
10.11646/phytotaxa.585.2.1
f648d987-0485-4e81-a650-dec255e19aa8
1179-3163
7681555
2.1
Tillandsia duidae
Smith (1931: 340)
. Species revalidated here.
Type:
—
VENEZUELA
.
Amazonas
: Mount Duida, alt.
5500–6000 ft
,
26 Nov–16 December 1928
,
Tate 437
(
holotype
NY!, photo US! isotype GH [flower]!). (
Fig. 5
)
≡
Vriesea duidae
(L.B.Sm.)
Gouda (1987: 72)
.
Description:—Plant
terrestrial or epiphytic, flowering (70−)
120−200 cm
high.
Leaves
10−20 in
number, forming an infundibuliform rosette;
sheath
oblong or elliptic-ovate, 10−16 ×
6−10 cm
, pale green to purplish-brown, slightly silver (
in sicco
), lepidote on both surfaces, denser toward the base;
blade
linear-oblong, (20−)30−40(−60) × (2−)
4– 6.5 cm
, apex acute, purplish-red or deep green, sparsely lepidote on both surfaces.
Inflorescence
compound, once- or twice-branched (70–)
120–180 cm
long, erect;
peduncle
erect,
40−70 cm
long,
5−7.5 mm
in diameter, glabrous;
peduncle bracts
erect, imbricate to remote, narrowly oblong-elliptic, 55−60 ×
20−22 mm
long, brownish-vinaceous or reddish, glabrous on the abaxial surface and lepidote on the adaxial surface;
main axis
straight to slightly sinuous,
20−70 cm
long,
3−6 mm
in diameter, glabrous;
primary bracts
oblong, 35–50 ×
20–25 mm
, reddish, sparsely lepidote on the adaxial surface, glabrous on the abaxial surface;
branches
(5−)
10−20 in
number,
6−15 cm
long, in an angle of (30º−)70º(−90º) to the main axis;
spikes
densely 5−14 flowered, complanate, with 1−2 sterile bracts at the apex;
rachis
geniculate,
3.5−9 cm
long and
2−3 mm
in diameter.
Floral bracts
ovate, apex acute, 15−20 ×
8−10 mm
, carinate, green to red, equaling or slightly exceeding the sepals, lepidote on the adaxial surface.
Flowers
ca.
25 mm
long,
3.5−7 mm
apart, distichous, suberect;
sepals
narrowly elliptic, 10−20 ×
5 mm
, free, carinate towards the apex, entire, symmetric, sparsely lepidote on the adaxial surface, glabrous on abaxial surface; corolla tubular;
petals
linear oblong, ca. 22 ×
2.5 mm
, blue;
petal appendages
present or absent, ca.
2.5 mm
long, ½ adnate to the petal base;
stamens
included;
filament
ca.
12 mm
long;
anther
basifixed, ca.
4 mm
long, erect;
ovary
ovoid, ca. 3.5 ×
1.8 mm
;
style
ca.
20 mm
long;
stigma
conduplicate-spiral, equaling the anthers.
Fruits
fusiform, suberect, ca.
22 mm
long;
seeds
15−16 mm
long, with a reduced (
0.1 mm
long) apical coma, basal coma ca.
9.6 mm
long.
Distribution:
—This species occurs in montane forests, at
700–2,255 m
above sea level, from the Guiana Shield in
Venezuela
and the Guianas to northern
Brazil
.
Taxonomic and nomenclatural notes
—Despite its earlier placement in
Vriesea
, this taxon has morphological traits and a geographical distribution related to
Tillandsia
subg.
Pseudovriesea
.
Vriesea
has the stigma convolutebladed (convolute-blade II
sensu
Barfuss
et al.
2016
) and yellow (with or without a green apex), cream, reddish-brown, or, rarely, white petals (
Barfuss
et al.
2016
). In contrast,
Tillandsia
subg.
Pseudovriesea
has a conduplicate-spiral stigma and green and/or blue (or in shades of blue) petals (
Barfuss
et al.
2016
), as observed in this taxon.
Smith (1931)
did not mention the presence of petal appendages in this species, but
Gouda (1987)
mentioned this taxon as with or without petal appendages (as observed in the
type
and the present study) and transferred this taxon to
Vriesea
.
Barfuss
et al.
(2016)
mentioned the possible placement of this taxon in
Cipuropsis
; however, the combination of the stigma morphology and petal color lead us to propose the revalidation of
Tillandsia duidae
L.B.Sm.
Etymology:
—The specific epithet “
duidae
” refers to the
type
location, Mount Duida.
Representative Specimens Examined:
—
BRAZIL
.
Amazonas
:
Barcelos
,
Parque Estadual da Serra do Aracá
, matas de altitude (“elfin forest”) e campos de altitude sobre tepui, contrafortes do
Pico da Aparecida.
0
o
56’ 20” S
,
63
o
20’ 53” W
,
1,450 m
elev.,
30 October 2011
,
Martinelli
et al. 17223
(
RB
,
INPA
,
MG
,
SPF
,
NY
,
R
,
SP
)
;
Santa Isabel do Rio Negro
,
Trilha da Bacia do Gelo
para o
Pico
, campo de altitude arbustivo com brejos
de
Saxofredericia
,
Parque Nacional do Pico da Neblina
,
0
o
47’ 43” S
,
66
o
1’ 24” W
,
2,115 m
elev.,
19 November 2012
,
Forzza
et al. 7133
(
RB
,
INPA
,
R
).
VENEZUELA
.
Amazonas
:
Vicinity of Camp
VI
, on a ridge on
Venezuela-Brazilian
border,
3.5 km
W
of
Pico Zuloaga
, cloud forest in steep SW facing valley,
2,000 m
elev.
13 April 1984
,
Thomas
&
Plowman
3071
(
NY
)
;
Cerro de La Neblina
,
Camp XI
,
6 km
NNE of Pico Phelps
(=
Neblina
), in ravine along
Caño Beitel
,
27 February 1985
,
Nee
31160 (US)
;
Bolívar
:
Auyan-tepuí
,
Río Churún
, de la parte norte de la seccion sur (division occidental), al pie de “Second Wall” de arenisca,
6–10 km
hacia el
NE
del campamento norte,
13 May 1964
.
Steyermark
93852
(US,
VEN
).
GUIANA
:
Potaro-Siparuni
:
Pakaraima
Mts-Mt.
Wokomung
, summit ridge of Ka-mie-wah pinnacle,
NE
to S pinnacle, “
Little Ayanganna
”,
1,550
–1,650
m
,
17 November 1993
,
Henkel
et al. 4494
(US).