Papers in Palaeontology,
Год журнала:
2021,
Номер
8(1)
Опубликована: Ноя. 10, 2021
Abstract
Co‐evolutionary
relationships
of
plants
and
fungi
are
great
importance
for
the
phylogeny
both
groups.
Nyssa
was
widely
distributed
in
northern
hemisphere
during
Cenozoic.
Extant
species
exhibit
a
disjunct
distribution
between
eastern
North
America,
Central
America
East
Asia.
Here,
new
species,
nanningensis
Xu
&
Jin,
is
described
based
on
fruit
endocarps
from
upper
Oligocene
Yongning
Formation
Nanning
Basin,
South
China.
This
fossil
record
expands
known
palaeogeographical
genus
to
low
latitudes
Associated
fungal
fruiting
bodies
assigned
Yongnicta
nyssae
Tobias
Maslova.
similar
some
members
extant
wood
destructor
taxa
Coronophorales
Amphisphaeriales
(Sordariomycetes,
Ascomycota).
About
3%
studied
were
affected
by
.
Low
frequency
damage
indicates
that
could
be
released
mesocarps
animals
eating
fleshy
parts
fruits,
making
them
potentially
available
wood‐destroying
fungi.
Fossil Imprint,
Год журнала:
2022,
Номер
78(1), С. 51 - 79
Опубликована: Янв. 1, 2022
The
early
middle
Eocene
Wagon
Bed
fruit
and
seed
flora
of
central
Wyoming
encompasses
nine
morphotypes
that
are
assignable
to
extant
genera
(Alangium,
Aphanathe,
Canarium,
Carya,
Celtis,
Iodes,
Mastixia,
Nyssa,
Pleiogynium),
four
extinct
in
families
(Chandlera,
Menispermaceae;
Coryloides,
Betulaceae;
Pentoperculum,
Anacardiaceae;
Saxifragispermum,
Salicaceae)
one
morphotype
potentially
an
family
(Pandanaceae).
At
least
11
remain
unidentified
due
incomplete
characters,
although
some
exhibit
features
suggestive,
but
not
definitive,
(e.g.,
Euphorbiaceae,
Lauraceae,
Nymphaeaceae,
Rosaceae).
Individual
taxa
paleobiogeographic
links
with
the
floras
west
coast
North
America,
as
well
those
Europe.
Together
previously
described
pollen
woods,
these
fruits
seeds
indicate
a
mixed
evergreen
deciduous
forest,
existing
under
moist
circumstances,
possessing
primary
taxonomic
affinities
paratropical
Old
World.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 1, 2024
Abstract
In
the
realm
of
Aquilaria
classification
and
grading,
a
persistent
market
uncertainty
persists,
questioning
whether
basis
should
be
geographical
distribution
or
biological
origin.
this
study,
our
goal
is
to
shed
light
on
origin
diversification
genera.
We
collected
analyzed
total
320
specimens
belonging
25
species
within
Noteworthy
findings
include
observed
leaf
similarities
among
three
distinct
species—A.
yunnanensis,
A.
sinensis,
beccariana.
Further
results
emphasize
effectiveness
matK
molecular
markers
in
differentiating
species,
leveraging
8
stable
polymorphic
loci.
The
integration
trnL-trnF
not
only
validates
efficacy
but
also
streamlines
systematic
categorization
34
agarwood
products.
Delving
into
evolutionary
status
genetic
background
Aquilaria,
study
employs
clock
analyses,
revealing
four
pedigrees:
Chinese
pedigree
1
2,
Indonesian
pedigree,
Indochina
aligning
with
malaccensis,
cumingiana,
respectively.
Notably,
we
identified
sinensis
malacca
as
part
youngest
branch
evolution,
hirta
emerging
oldest
member
dating
back
6.78
million
years
ago.
Furthermore,
research
challenges
previous
assumptions
by
reevaluating
G.
walla,
placing
it
at
5.75
ago,
suggesting
its
incorporation
genus
rather
than
considering
an
early
divergent
species.
Journal of Biogeography,
Год журнала:
2024,
Номер
52(2), С. 505 - 519
Опубликована: Ноя. 22, 2024
ABSTRACT
Aim
The
Northern
Hemisphere
harbours
the
greatest
diversity
of
temperate
plants
on
Earth,
with
East
Asia
having
highest
species
richness
compared
North
America
and
Europe.
When
how
this
uneven
diversification
pattern
emerged
remains
unclear.
Here,
we
use
a
conifer
genus
that
forms
extensive
forests
in
to
explore
fundamental
question
ecology
evolution:
what
processes
underlie
biodiversity
through
time
space?
Location
Hemisphere.
Taxon
Abies
.
Methods
To
reconstruct
well‐supported
framework
for
estimating
rate,
performed
phylogenetic
analyses
using
concatenation
coalescent
methods
based
58
fir
taxa
56
nuclear
single‐copy
genes.
Niche
evolution
was
explored
occurrence
data
environmental
factors
l1ou
model.
Multiple
regression
carried
out
identify
correlations
between
variables
at
global
regional
scales,
evaluate
preference,
potentially
explain
evolutionary
history
firs.
Results
We
identified
as
speciation
rate.
Two
clade‐specific
niche
shifts
corresponding
distribution
firs
were
detected,
one
Himalaya‐Hengduan
Mountains
(
c.
12.2
Ma)
other
Mexican
highlands
14.3
Ma),
but
none
Euro‐Mediterranean
region.
Fir
increased
cool
temperatures
both
globally
regionally.
Seasonal
precipitation
showed
significant
positive
correlation
scale
Soil
trends
moderate
highlands.
Main
Conclusions
Our
results
indicate
modern
prefer
climates
seasonal
rainfall.
Asian
experienced
Himalayan
orogeny
Middle
Miocene.
Novel
heterogeneous
habitats
due
changes
topography
establishment
monsoon
climate,
accompanied
by
shift,
can
account
high
Asia.
A
similar
process
is
found
highland
In
contrast,
cold–dry
continental
climate
since
late
Paleogene
lack
rainfall
relatively
stable
region
are
main
limiting
diversification.
study
rejects
‘clade
age’
hypothesis
supports
shift
related
rate
triggered
heterogeneity
underlies
Journal of Systematics and Evolution,
Год журнала:
2021,
Номер
60(5), С. 1062 - 1077
Опубликована: Апрель 3, 2021
Abstract
Although
the
vast
majority
of
Prunus
L.
(Rosaceae)
species
have
clearly
differentiated
sepals
and
petals,
two
former
genera
Maddenia
Pygeum
been
described
as
having
an
undifferentiated
perianth.
However,
floral
morphological
morphogenetic
data
are
scarce,
a
renewed
investigation
is
essential
to
understand
evolution
perianth
differentiation.
Here,
morphogenesis
in
hypoleuca
(Koehne)
J.Wen
(=
Koehne)
topengii
(Merr.)
J.
Wen
&
Zhao
Merr.)
were
examined
with
scanning
electron
microscopy.
The
development
demonstrates
that
ten
parts
can
be
distinguished
five
external
whorl
petals
internal
whorl.
sepal
primordia
broad,
crescent‐shaped,
truncate.
petal
rounded
initially
resemble
androecium.
at
maturity
look
much
same
species,
differing
from
other
species.
ovule
anatropous
unitegmic,
but
there
basal
appendage
near
P.
which
absent
.
direction
nectaries
hypanthium
basipetal
acropetal
Perianth
segments
groups
similarity
secondarily
acquired.
Our
results
support
separation
well
their
inclusion
broader
monophyletic
based
on
molecular
phylogenetic
studies.
We
herein
provide
new
nomenclatural
change:
Zhao,
comb.
nov.
Papers in Palaeontology,
Год журнала:
2021,
Номер
8(1)
Опубликована: Ноя. 10, 2021
Abstract
Co‐evolutionary
relationships
of
plants
and
fungi
are
great
importance
for
the
phylogeny
both
groups.
Nyssa
was
widely
distributed
in
northern
hemisphere
during
Cenozoic.
Extant
species
exhibit
a
disjunct
distribution
between
eastern
North
America,
Central
America
East
Asia.
Here,
new
species,
nanningensis
Xu
&
Jin,
is
described
based
on
fruit
endocarps
from
upper
Oligocene
Yongning
Formation
Nanning
Basin,
South
China.
This
fossil
record
expands
known
palaeogeographical
genus
to
low
latitudes
Associated
fungal
fruiting
bodies
assigned
Yongnicta
nyssae
Tobias
Maslova.
similar
some
members
extant
wood
destructor
taxa
Coronophorales
Amphisphaeriales
(Sordariomycetes,
Ascomycota).
About
3%
studied
were
affected
by
.
Low
frequency
damage
indicates
that
could
be
released
mesocarps
animals
eating
fleshy
parts
fruits,
making
them
potentially
available
wood‐destroying
fungi.