Download Ceropegia langkawiensis Rintz, sp. nov. — Fig. Long perennial

BLUMEA
225-231
25(1979)
Three new species of Asclepiadaceae
from peninsular Malaya
Rintz
R.E.
Recent intensive
species
were
also collected. I wish
whose
the
University
the
Singapore
Leiden
(L)
of
scandens
ad
6
laminis membranaceis
pubescentibus,
3
—
6
x
Tubus coroUae extuset
Long perennial
diameter,
margins
1
x
2
single
mm
less.
1.7
m
at
cm
13
c.
red
deep
glabrous
entire tube 1.7
the
more
in
on
an
—
3
mm
mm
deeply
on
the
small
*
Corona
inner surface.
corpuscle.
Current
address:
1 —6 flowers
green with
Rd.,
Mt.
infra
10
—
20
1
c.
laminae
mm
mem-
surfaces and
lower
laminae
the
5
smaller, often 3
—
—
6
4
centripetally; peduncles
each
pedicel
purple spots
portion
subtended
on
surrounding
base swollen,
green, the
bright
hairs
of
outer
upper
cm
the
by
outer
the
at
in
funnel
united
at
lower inner surfaces
margins
margins
maturity,
U.S.A.
the
clear
with flexuous cilia
glabrous,
and
a
and short reflexed hairs
globose,
divergent pairs,
Clemens, Michigan,
the base of
portion
long,
filiform upper lobe,
a
along
glabrous, produced
17374 Millar
both
hairs,
progressively
white
Twin-pollinia exposed
Follicles
petiolis
supra et
pedunculis glabris.
long;
cm
corolla lobes lanceolate, 0.8
stout
Folia
except for 20 white windows between the ribs
yellow, consisting
bifid lower lobe with
1
long, glabrous,
pale
irregular
upper inner surfaces often
long.
with
help
longisintusciliatisextus
bases,
patent
white, inner surfaces with short reflexed hairs, the
2
and
(BM)
Stems and branches
cordate
to
glaber.
rotundatis,
1 -6 floribus;
cm
petioles
both surfaces;
long;
Museum
diametro
mm
length.
short
Corolla tube
long.
at
Kepong(KEP),
cm.
floriferous nodes
long, glabrous; pedicels
gynostegium,
apex,
0.2
x
pubescent
with
pubescent
the inner surface
shaped,
or
5 —6
Inflorescences axillary, bearing
mm
1
basibus cordatis vel
lobiscorollaeO.8
longus;
cm
with
the base of the corolla and
the
circiter
gracilis
ovato lanceolatis,
6
to
Leaves
upper laminae
bract 2
surface,
at
twiner
British
at
1.
nov. — Fig.
graciles glabri.
new
Malaysia
Dr. Herbert Huber for his
to
3
Mrs. Zaleha Christine
to
sp.
ovate-lanceolate with round
cm or
c.
sp.
records of
the staffs of the herbaria
to
(K),
Kew
new
following
Universiti Pertanian
Inflorescentiae breve pedunculatae.
cm.
intusglaber.
uniformly
cm,
a
3
—
glabrous.
braneous,
x2 —3
1
flexuosis. Folliculi
pilis longis
(SING),
Caulis
pubescentibus;
at
study possible;
Ceropegia
longa.
m
and
addition, the
the Forest Research Institute
Gardens
Ceropegia langkawiensis Rintz,
members of the Ascle-
species
rare
thanks
express my
for their generous assistance and
new
for
Malaya
Biology Department
Malaya (KLU),
Botanic
to
made this
generosity
identification of the
Planta
peninsular
from Thailand. In
only
former Head of the
Alang,
(UPM),
the
known
formerly
species
in
exploration
has resulted in the collection of many
piadaceae
48043
subsessile
each 5 —6
x
0.2
to
a
cm.
226
BLUMEA
-
VOL.
25,
No.
1,
1979
R. E.
MALAYA. Kedah:
the base of a
liquid,
large
UPM,
Pulau
Rintz:
New
Kuah,
Langkawi,
limestone outcrop. October
227
Asclepiadaceae
beneath shrubs
beach east
along sandy
128(1., holotype;
11,1976, R. E. Rintz
K.
L,
Note: This
species
seems
closely
most
related
to
monticola W.
C.
from the mountainsof SW. China, N. Burma and N. Thailand. The
differs from both of them in
being
much
a
smaller leaves. Moreover, its leaves and
and slimmer
longer
petioles
above and
below.
glabrous
flowers
2.5
c.
1—3
peduncles
similar in
are
from flowers of
Ceropegia
lucida Wall., is known
Ceropegia
insect retainers
morning in
early
perpendicular
are
long
currents.
to
the
on
which it sits. These
flower. The
entering
enter
gynostegium,
did
not
see
them.
portion
insects crawl (or
the
places
flies
to
downward bending
pollinated,
Fig. 1.
the
are
away view
corona
basal
areas
with leaves
10— 17
large
of
the
hairs,
a
not seem to
are
cm
long
acting
not
are
cilia held
be scented and small flies
enter
the
by
the
narrow
openings
the reflexed
the corolla tube is
by
nearly
Fixed but
rigidly
deep
pedicel
c.
the
the
irregular pigmentless
the darkened
Rintz
128).
pollinia by
occasionally
narrow
portion
occurs
to
at
are
on
present but
contained flies with the
pedicel
bends
up-side-down position,
pollinia adhering
independently
of
the
the reflexed hairs
12 hrs after anthesis the
twin
red
pigmentless
visible from the outside of the
not
horizontal
often with
of
to
thus
them. The
pollination.
If
un-
48 hrs after anthesis.
—
a.
habit;
twin-pollinia
the windows between the ribs;
E.
C.
Pulau
remarkable in
are
lobe. I suspect that nectaries
flowers
the flower in
Bower falls
R.
this
species.
Bukit Penara,
on
long marginal
of the tube and
b. flower;
c.
and the anther
e.
gynostegium
wings;
with
front lower
corona
d. base of corolla in lateral cut-
base of the corolla in top cut-away view
f.
portion surrounding the gynostegium;
twin-pollinia (after
of
The other
is illuminated by 20
their heads. About
to
Ceropegia langkawiensis Rintz.
showing
with the
directed toward the twin
escape,
lobes bent down to show the
pigmentless
have
lang-
corolla lobes.
fall) through
Liquid-preserved
pollinia adhering
allowing
member
the well-illuminated gynostegial chamber. Once inside and
the flies
downward and
Curtis
lobes. Though
yellow,
pigmentless
the inner surface of the lower
twin
kachinensis
directed downwards into the tube
of the
which is
gynostegium,
the tube and
both
corolla lobes.
second
langkawiensis
The flowers do
are
windows in the swollen basal
base
on
flowers of C.
them because of their color. The flies
the inner surfaces
lining
inside,
by
spathulate
The flowers of C.
between the corolla lobes and
hairs
with
with much
sparsely pubescent
C.
The
peninsular Malaya.
vertically-erect position
attracted
apparently
the
collection
a
Langkawi plant
plant
those of C. kachinensis hut differ
to
non-spathulate
only
and
long.
cm
their points of attachment. These cilia
about in the air
swing
4.5
Sm.
part of their pollinating mechanism. The flower opens in the
as
a
to
—
both
are
monticola
entirely glabrous plant
an
cm
biology:
Flower
as
from
only
5
—
their
represents
lucida is
and has flowers 3.5
3.5
be recorded from
to
genus
C.
shape, though smaller,
C. monticola in
langkawiensis
paleotropical
Pinang.
and flowers
long
cm
while both
W.
recorded
has subsessile inflorescences
Ceropegia langkawiensis
long
cm
are
uniformly pubescent
are
surfaces while those of C. monticolaand C. kachinensis
kawiensis
flowers in
isotypes).
(Forrest 10944 type!) and C. kachinensis Prain (Lace 5471 type!) which
and
of town and at
with
base of the corolla
showing
the
in median sectional view; g.
228
Fig.
lateral
Rintz
BLUMEA
2.
Dischidia
view;
71).
e.
superba
Rintz.
gynostegium
in
—
a.
top view:
-
VOL. 25,
habit; b. flower;
f. flower
c.
in median
No.
1,
flower in
1979
cut-away
sectional view;
g.
view;
d.
gynostegium
twin-pollinia(after
in
R. E.
R. E.
Dischidia
Planta
0.7
cm
superba Rintz,
epiphytica
1
Jlorescenliae
alba
carnosa
—
selliformes
afficca in
epiphyte
stems.
0.3
peduncles
0.3
c.
or
less;
broad
a
2
stems
Hoya
0.2
with
long
a
7
yellow,
short-stalked
broad basal
opening.
MALAYA. S
1
e
a n
Selangor
at
150
Note:
BM.
at
o
r
: Sungai Langat,
in
This
species
his
present
Dischidia
from them
on
1 —
epiphytica
scandens
paucis provisa,
ad
the
laminae
1
—
6
cetero
apicem.
Glabrous
along
surfaces
at
lobes
on
on
c.
well with
do have
D.
to
3
broadly
on
sp.
nov.
—
basibus
Also
(UPM).
100
for
specimens
3-angled.
of
rotundatis
often
its
haud
—
6
mm
3
longis
few
—
5
mm
hairs
can
more
that I examined
D.
it
seems
long
best
reviewed.
properly
and D.
griffithii Hook./,
well
and,
corona
a
species,
be
treatment
1
—
1.5
of Dischidia. Itcan be
reflexed corolla lobes
developed
lobes.
corona
latissimis.
1
—
diametro. Folia
mm
cordatis,
8
circiter
breve
stellatum;
mm
apices,
long; pedicels
inside below each
-
10
thin,
to
8
x
1
—
2
mm
2
pilis
spathulata et
0.5
—
pubescens.
loborum
cm.
produced
roots
mm.
c.
sparse
basi
3
1
Inflorescentiae
corona
petioles
x
pctiolis
mm.
diameter;
15
very
urceolate, white
2.5
glabri,
red. Leaves with
acute
10
x
glabra, inferius
Folliculi
1.5
15
longis. Calyx
mm
diametra, extus
stems
deep
broadly
Sungai Semenyih,
without
this
to
genera
Gynostegium
with round bases and
Corolla
the
Dischidiopsis
being
as
flowers with
by
1976, R. E. Rintz 71
12,
along
3.
long twining
plant
seen
similar
coronas
lobis corollae reflexis.
with
a
Follicles
wings
Pollinia
m.
longis; pedicellis gracilissimus
mm
peduncles
pubescent.
anther
saddle-shaped.
the river, June
along
trees
84
larger
Fig.
ovata, caudiculis
Entire
ovate
except
— 5
downward into
stigma;
large corpuscle.
a
glabra. Caulis longus gracilis
glabra;
epiphyte
fleshy,
fleshy,
Corolla
long.
cm
project
narrow
squamulosa Becc.,
alba vel dilute roseus, 5
Pollinia
stems.
flowered,
sparsely
long
a
described the genus
its much
by
ovatis,
6-floribus; pedunculis
Corolla lato-urceolata
bifida
200 m,
(UPM),
the inner surface and
Dischidia vadosa Rintz.
laminis carnosis
0.7
c.
very
the inner surfaces, throat closed
on
in Dischidia until both
is similar
superba
hirsute
densely
Planta
agrees
describe it
distinguished
cm;
flowered;
5
—
long;
cm
3
x
Corolla creamy white,
long.
Decsne. in Section Normalia II of Beccari's
latifolia
longis;
Corona
Luas, Pahang
specimens definitely
to
67
liquid),
and at Gua
m
produced
0.7
5—6
1
ad
cm.
comose.
Schlechter, however,
though
at
g
L, flowers
(L, holotype; K,
with
very short caudicles
to
Seeds
cm.
1
roots
Inflorescences
5-angled base, glabrous outside,
Gynostegium
1
x
x
lobis
oblongata
hairs inside and below the corolla lobes, below these hairs and
long
attached
oblong,
7
pilosi,
intus
alterna
et
petioles
apices,
alternate with the corolla lobes with 5 additionallobes which
the corolla.
longis. Corolla
Pollinia
diameter;
stout
acute
spp.
cm
subter
flavi,
In-
similissima.
cm
longi reflexi
cm
parvis
trianguli
mm
bases and
0.2
pedicellis
5
opposita, petiolis
Hoyae
valde dilate.
with
opposite
pedicel's
lobis
Folliculi
magnum.
long, reflexed, densely pubescent
cm
5 groups of
by
long
cm
urceolate with
antherorum
of
alterna vel
folia
cm,
vel menos;
alae
or
leaves
6x3
corollae,
cuneate
the
longis
—
Lobi corollae circiter 0.3
long-twining
to
5
lobos
dilati;
alternate
diametro. Folia
mm
cm
longa.
infra
corpusculum
obovate with
fleshy,
cm
valde
with
Leaves
similar in appearance
lobes
0.7
2
cuneatis,
brevibus 0.3
pilorum longorum
brevissimas
the
laminae
5
coronae
Glabrous
along
floribus; pedunculis
turmis
Lobi
caudiculas
5
longus
basibus
obovatis,
229
2.
Fig.
—
Caulis
glabra.
carnosis
urceolata, extusglabra,
fauce clausa
corollae.
scandens
laminis
longis;
nov.
sp.
Asclepiadaceae
Rintz: New
mm
long;
Inflorescences
mm
long. Calyx
pink, glabrous
lobe; corolla lobes
on
both
broadly
230
Fig.
BLUMEA
3.
Dischidia
cut-away view;
e.
vadosa
Rintz.
—
flower in median
a.
habit;
sectional
-
b.
VOL. 25,
flower;
view;
f.
c.
No.
1.
1979
gynostegium in top view;
twin-pollinia (after
R.
E.
d. flower in lateral
Rintz
130).
R. E.
triangular,
reflexed.
yellow, spathulate,
attached
to a
MALAYA.
P
a
h
February 1976, R.
(K);
Cameron
—
3
a n
x
corpuscle.
g
0.5
:
Bukit
c.
1
mm
Bukit Pokok
Mentigi,
The flowers of this
both of which
nearly
Pain,
October
species
10,
are
entirely
different
flattened
m.
It is very
from hills
species
on
frequently
on
as
the
along
pale
the
pollinia,
the face of
comose.
1400 m,
W.
on
trees
and shrubs at the
L.
Chew 866
summit,
H. M. Burkill2348
(L).
distinctive. The
very
to
spathulate
pollinia
ovate
D. albida Griff, and D.
elevations above 1000
corona
occurs
long
covering
bifid
with their
seperate it from other members of the genus. Vege-
easily
common at
Dischidia vadosa
as
liquid), August 18,1960,
1963,
are
appendages
twice
glabrous,
long,
flowers in
D. vadosa is very similar
The flowers of both of these
absent
Follicles red,
short-stalked. Corona lobes
Anther
apex.
broad and
130{L, holotype; K, L,
very broad caudicles
1000
as
the
231
lobes, the very flat stellate gynostegium, and the
tatively, however,
have
at
Seeds
cm.
Bukit Frazer,
E. Rinlz
Highlands,
Notes:
corona
bifid
shortly
narrow
the suture, 2.5
Asclepiadaceae
Gynostegium star-shaped, flat,
Pollinia ovate, caudicles
stigma.
Rintz: New
are
m
parvifolia Ridl.,
and have small
narrowly urceolate,
2
—
3
mm
ovate
leaves.
diameterand
lobes.
mountains
along
associated with
which either
D.
albida
the Main
D.
or
Range
astephana
D.
at
elevations above
Scort. and is
parvifolia
occur.
curiously