(Chlorophyta) Rhipilia nigrescens Coppejans Rhipilia nigrescens

BLUMEA
35
261-262
(1990)
A
note on
Coppejans &
Rhipilia nigrescens
Prud’homme van
Reine
(Chlorophyta)
E.
In
our
on
paper
Reine, 1989)
van
short
we
species
suggested
figures
Latin
tatae
expected
obscura
and
a
description
description:
ramulis
vel
lateralibus
et
ad
see
tenaculatis.
etiam
diametro
in
in
plate
5
10285A
coastal
Coppejans
&
Rhipilia nigrescens
of
more
is
holotype
in
van
reef, slope,
vel
(2
c.
Prud'homme
vel
differt.
20 m
van
(in GENT)
—
5
turbinatae
translucentes,
ad basin
A
Holotypus:
are
All
other
pel-
dichotome
ramosis,
sympodialiter positis
generaliter
non con-
Rhipiliarum
From
specieBesi
Tukang
specimens of
this
as
Is.,
1
fig.
taxon
in
isotypes.
Rhipilia species
the tenacula and in the
Its spongy habit and
solitariae
distaliter anastomosantes,
(vel 6)-fida.
Reine (I.e.).
5.
nunquam
numerosis
ramosis,
vel
new
(1989) 131, plate
deep, SN 10285A, the specimen depicted
differs from all other
on
rare
4
of the
here.
chartam bibulam brunneo colorantes.
intercalariter),
3)
description
name
Reine
diam., principalibus
pm
the
can
published
spongiosae
habitum, saepe
sicco etiam
by
Reine
van
crassae
longis,
pm
colorenti
than three prongs
drying specimens.
To validate the
Prud'homme
secundum
bivium
Tenacula
and SN 10285Ea
(in L)
turn
(35-)40-50(-60)
infra
numerosis, charta
Binongko,
the Latin
generalitergregariae clavatae, rarioriter
alta,
(rarioriter
of the
Coppejans &
flabellatae, sed
cm
Blumea,
suggested.
as
had been de-
and corroborated
journal
Prud’homme
(75-)250-400(-750)
apices
W coast of
rence
&
English
dense intertexti
constrictis
bus ceteris tenaculis
SN
in
in
publication
designation
a
Plantae erectae
(1—)2(—5)
zonatae
bivium
strictis
and
published
and
of that
regulations
to
& Prud’homme
expedition (Coppejans
species Rhipilia nigrescens
new
viride-brunnescentes, atro-viridescentes
Siphones cylindrici
supra
be
to
description
infundibuliformis
nunquam
Due
nigrescens Coppejans
Rhipilia
For
be
Latin
a
that the
between acceptance
spell
longer
Prud’homme+van+Reine
seaweeds of the Snellius-II
scribed in Phycologia.
no
& W.F.
Coppejans
gregarious
nature
in the
staining
are
frequent
occur-
of the paper
by
also characteristic fea-
tures.
In their
description
of the genus
number of 2-6 prongs, without
R. orientalis,
in their
D
Laboratorium
K. L.
2)
a
species
fig. 136
a
that
Rhipilia Gepp
specifying
probably
is
&
Gepp (1911) give
this for the three
closely
related
to
R.
voor
Morfologie, Systematiek & Ecologie
van de
P.O. Box
9514,
2300 RA
Leiden,
a
general
record. For
nigrescens, they depicted
reticulum with 2-3-pronged tenacula (in fig.
136c, however, they
Planten, Rijksuniversiteit Gent,
Ledeganckstraat 35,9000 Gent, Belgium.
Rijksherbarium,
species they
The Netherlands.
262
BLUMEA
also show
to
the
study
a
5-pronged one)
margin) they figure
and in their
a
of the type material
VOL.
frequent
In other
of
our
1989
fig. 14).
length
specimens
paper)
(from
to
be the
by
detected
from one
strongly
Therefore, these characters
cannot
plant
same
drawn
a
specimen,
we
our
to
&
our
Gepp,
figs.
we
no
in this material.
2-18 in
tenaculum
branching pattern
nearer
found almost
2-3-pronged
4-pronged
but
tenacula. In
by Gepp
lectotype)
are
(compare
us
Other characters, i.e. filament diameter,
the
4-5-pronged
specimens
only occasionally
of branchlets, vary
of
135
of R. orientalis studied
we
135
of the tenacula
1990
1,
the
(especially
majority
No.
occurrence
consider the largest plant of their fig.
4-5-pronged tenacula; the
fig.
35,
plate
(fig.
5
5 and
of filaments, and
another for both
species studied.
be used for taxonomic differentiationwithin this
complex.
We thank Dr.
J. F.
Veldkamp
for
improving
the Latin
diagnosis.
REFERENCES
COPPEJANS,
E„
& W.F. PRUD'HOMME
VAN REINE.
Chlorophyta: Caulerpales (except Caulerpa
GEPP, A.,
&
E.S.
Flabellariae
GEPP. 1911. The
and Udotea.
Codiaceae
SibogaExpeditie
and
of the
62:
1989.
Seaweeds of
Halimeda). Blumea
the Snellius-II
34:
Siboga Expedition including
150 pp., 22 pi. Leiden.
Expedition
119-142.
a
monograph
of