FOLIA TAXONOMICA 13. PASSIFLORA CURVA (PASSIFLORACEAE), A NEW SPECIES FROM FRENCH GUIANA IN SUBGENUS PASSIFLORA SUPERSECTION COCCINFA

2009·5.1 MB·English

by  Christian Feuillet

TAXONOMICA CURVA
FOLIA PASSIFLORA (PASSIFLORACEAE),
13.
NEW
FROM FRENCH GUIANA
A
SPECIES
SUBGENUS SUPERSECTION COCCINEA
PASSIFLORA
IN
Christian Feuillet
MRC-
Department of Botany, 66
1
had
During French Guiana September 2008, the opportunity the type locality of
in in to visit
a field trip
1
&
aimae Annonay (1998) and collected two good specimens of another species that clearly
Feuillet
Passiflora
&
MacDougal. The new and aimae
belong also in supersect. Coccinea Feuillet J.M. species, P. curva, P.
Passiflora
new bud
and
in several Most interesting characters of the species are the straw color of the floral
differ details.
which row
tube, and the morphology of the two-row corona in the outer of filaments is erect, leaning neither
&
Ulmer MacDougal
inward nor outward. Pictures of both species have been published; Passiflora aimae in
&
Ulmer MacDougal
photo H. Annonay); and curva aimae) in (2004:
(2004: 161, 212; Passiflora (as P.
pi. p.
&
Some
and Ulmer Ulmer photo H. Gelewsky). have been
photo H. Gelewsky) in (2005:
165; p. 9;
pi.
8, p.
and
uploaded and are available on the web: Passiflora aimae on C. Houel's website (photo C. Houel); Passiflora
and on photostream
curva on C. Houel's web Distephana"; photo C. Houel); Flickr in cpfl's (as
site (as "sp.
became
aware
Houel Nationale de France)
photo Christian ("Collection Passiflores",
C.
curva; Feuillet).
P.
were two when he found the two growing side by As as know, encounters
there different species side. far 1
documented by herbarium
with species by various persons previous to the type collection were not
this
Annonay
may where has
specimens, but be in cultivation in Europe or in Martinique H. his collection.
it
km SW
FRENCH
Passiflora CUrva Feuillet, sp. nov. (Fig. 1) Type: GUIANA: lower Sinnamary River basin, ca. 20 of Sinnamary,
on androgy-
Climber with plant with short trichomes vegetative parts, the outide of the sepals, the
tendrils;
somewhat
nophore, and the gynoecium, the flower otherwise glabrous. Stem reddish, 5-angular, reaching
mm
m
5-6
Leaves
6 long. Tendrils axillary, reddish. Stipules setaceous, reddish, long. alternate
at least
when
cm
petiole 1-1.8 long, reddish, with a pair of glands at the base, glands round and plump, green
and
young becoming 7-12 x 3.5-7 cm, base truncate cordate shortly cune-
reddish; blade ovate, to slightly
578 Journal of the Botanical Research Institute of Texas 3(2)
margin and
apex rounded to slightly acute, short acuminate, reddish-brown, slightly loosely crenate
ate,
when
young becoming dark
in basal third and serrate in apical two thirds, adaxial surface yellowish-green
5-6
green, abaxially pale grey becoming light green, veins reddish, veins each side of the midrib. Peduncle
& mm
cm
4-5
axillary, solitary, erect, long, reddish; bracts (1 bract 2 bracteoles) verticillate, inserted 1
4-5
below the joint, similar in shape and size, 1.5-2.2 x 0.6-0.8 cm, red, green at base, pairs of glands at
cm
above 0.4-0.5 Flowers
margin, glands round, green, larger at base; the joint, floral stipe long. erect floral
chamber
tube campanulate, base invaginate around the apex of the stipe, forming inside a 10-lobed nectar
cm
and
bottom, 10-12 greenish straw-colored suffused with pink with 10 green veins outside,
the long,
at
bud narrow
inside pink sepals red but the parts exposed in the straw-colored abaxially, oblong,
to red;
mm
awn
2-4
with long sub terminal red curved inward, round apex, 3 x 0.6 cm; petals red
carinate, a at
row
over, without carina or awn, otherwise similar to sepals; corona in 2 rows, the outer of white erect
all
cm
filaments about long, laterally flattened, subulate, apex reaching the level of the base of the stamens,
1
membranous
row
but not leaning on the androgynophore, inner about as long, in the basal half, oblique
and
toward androgynophore, white suffused with pink, filamentous in the apical white, point-
the half,
on becoming and
ing toward the base of the tube and leaning the androgynophore, then straight erect;
operculum born 2/3 up the tube, membranous, parallel to the inner corona, bent about 2/3 from the base,
on bottom limen
margin, white suffused with pink; nectary ring the of the tube reddish;
short fimbriate
at
outward
pinkish, membranous, toothed margin, surrounding the base of the androgynophore, curved
at
cm
margin; androgynophore white cream dotted with red above; stamens shortly
2.5 long, base,
at
at 5,
fused base, hiding the short gynophore and the base of the ovary, filaments dorsiventrally flattened, 15
at
mm,
mm,
x cream heavily spotted with red, emarginate apex, anthers 9 x 2.5 nearly rectangular,
1.5 at
9x2
held white, greenish-cream near margin, pollen white; ovary ovoid,
dorsifixed, transversly, slightly
mm
mm,
6-7
cream, styles slightly S-shaped, long, diameter slightly increasing toward the apex, stigmas
mm
globular, 1.5-2 in diam., stigmatic surface cream, otherwise bright red. Fruits not seen; (the following
from photograph by Houel) unripe green, dotted with white, ovoid.
a C. fruit
By red bracts with marginal glands, red-faced flowers, white erect straight outer corona filaments,
its
and leaves crenate to serrate and glandular at margin, P. curva belongs in subg. Passiflora supersect. Coc-
from the other species by the combination of the following characters: the leaf blade mar-
cinea. differs
It
gins are loosely and slightly serrate in the apical half and loosely and slightly crenate in the basal half, the
much bud
and exposed
bracts are shorter than the flowers, the floral tube the parts of the calyx in the are
straw-colored, and the corona has 2 rows, the outer row erect and comprised of white filaments not lean-
row membranous,
ing on the androgynophore. the inner corona partly initially held horizontally
Lastly,
(unpublished photograph) and upward oblique. In both stages bent in the middle with the apical
later is
it
filamentous half held downward oblique, (Fig. both photographs taken around 8:00 am, 28 Sep 2008).
1,
Ultimately unfolds to become erect and parallel to the outer row (unpublished drawing of the paratype
it
by Vanderplank, around 10:30 am, 17 Mar 2009). The basal membrane of inner row of the corona an
is
J.
away from second
although temporary, barrier keeping pollinators or nectar robbers the obstacle,
effective,
the operculum, on the way to the nectar. The flowers of the type collection had the inner row of the corona
when
bent open and placed in the loosely tied field press, but the filaments straightened before being
split
placed in the
drier.
new arm
would
In the published key of the supersection (Feuillet 2007), curva be in a third of
last P.
margin and two
bracket reading: "Leaf slightly crenate in basal third slightly serrate in distal third," as
4,
The
margin margin second group
opposed "Leaf crenate" or "Leaf dentate or serrate." includes 9 species
to
with densely margins. The group includes 2 species with crenate
largely or serrate or biserrate leaf
first
margins from the same small area of forested west of the Lower Sinnamary River, aimae with a
leaf hills P.
mm
much shorter corona, 0.5-0.6 versusl cm, whose inner row red, and longicuspis Vanderpl. with a
is P.
much
longer corona, 1.8-2.4 cm, in 3 rows whose 2 outside rows are red or deep purple, and both with the
on androgynophore.
corona filaments leaning the
new
from French Guiana
Feuillet, Passiflora curva, a species
580 Journal of the Botanical Research Institute of Texas 3(2)
and phenology.—
Distribution
Passiflor
km N
Road on
13 south the
of
River,
1, f
March and
September.
means morphology
Etymology.—The from the Latin adjective curvus, bent, referring to the of
epithet,
row
the inner of the corona early anthesis.
at
Mar Nat UK).
35 m, 17 2009, Vanderplank, C. Feuillet&M. Vecchia 1620/09 (CAY, Coll. Passiflora
R.J.R.
fl.,
ACKNOWLEDGMENTS
am
thank John MacDougal and Steve Tillett for their review of the manuscript. indebted to Christian
I
I
herbarium
Houel and John Vanderplank sharing thank Sophie Gonzalez, director of the in
for their data.
I
number
Cayenne (CAY) for providing the ideal conditions to work with the collections in her care. This is
Program
154 in the Smithsonian's Biological Diversity of the Guiana Shield publication series.
Guyane
aimae une espece nouvelle de
Annonay, and 1998. Passiflora (Passifloraceae), francaise.
H. C. Feuillet.
Adansonia 20:295-298.
ser.
3,
C
New
subgenus from the
taxonomica
2007. species of Passiflora Passiflora (Passifloraceae)
Folia
2.
Feuillet,
Texas 1:819-825.
Guianas.
Bot. Res. Inst.
J.
C
flickr.eom/photos/68587888@N00/321 9887235/, accessed 20 June 2009.
website,
Feuillet, in Flickr
2009
accessed
website http://wvwpassiflorae.fr/, 5 April
Houel,
C.
and! Formosa
passionsblumen. Ver Witten.
Ulmer, Ulmer. 2005. Farbatlas lag,
B.
Timber Oregon.
MacDougal
and 2004. passionflowers of the world. Press, Portland,
Ulmer, J.M. Passiflora,
T.