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PalDat - Palynological Database
an online publication on recent pollen
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Pollen Characters
Pollen Unit
Pollen Unit
dyad
massula
monad
pollinium
polyad
tetrad
Dispersal Unit and Peculiarities
dyad
massula
monad
pollinarium
pollinium
polyad
pseudomonad
tetrad
tetrad decussate
tetrad linear
tetrad planar
tetrad T-shaped
tetrad tetragonal
tetrad tetrahedral
Pollen Class
clypeate
colpate
colporate
dyad
inaperturate
lophate
plicate
polyad
porate
saccate
spiraperturate
sulcate
synaperturate
tetrad
ulcerate
Size (Pollen Unit)
very small (<10 µm)
small (10-25 µm)
medium-sized (26-50 µm)
large (51-100 µm)
very large (>100 µm)
Size of Hydrated Pollen
<10 µm
11-15 µm
16-20 µm
21-25 µm
26-30 µm
31-35 µm
36-40 µm
41-50 µm
51-100 µm
>100 µm
Polarity and Shape
Polarity
heteropolar
isopolar
Shape
barrel-shaped
bean-shaped
bisaccate
boat-shaped
convex triangular
convex triangular pyramid
cubical
cup-shaped
cylindric
disc-shaped
dumbbell-shaped
irregular
lemon-shaped
monosaccate
pear-shaped
polygonal
rounded cuboid
saccate
spheroidal
spindle-shaped
triangular pyramid
triangular star
trisaccate
u-shaped
wedge-shaped
no suitable term
Outline in Polar View
circular
elliptic
irregular
lobate
polygonal
quadrangular
triangular
no suitable term
P/E-Ratio
isodiametric
oblate
prolate
Dominant Orientation (LM)
equatorial
oblique
polar
P/E-Ratio (Dry Pollen)
isodiametric
oblate
prolate
Shape (Dry Pollen)
barrel-shaped
bean-shaped
bisaccate
boat-shaped
convex triangular
convex triangular pyramid
cubical
cup-shaped
cylindric
disc-shaped
dumbbell-shaped
irregular
lemon-shaped
monosaccate
pear-shaped
polygonal
rounded cuboid
saccate
spheroidal
spindle-shaped
triangular pyramid
triangular star
trisaccate
u-shaped
wedge-shaped
no suitable term
Outline in Polar View (Dry Pollen)
circular
elliptic
irregular
lobate
polygonal
quadrangular
triangular
no suitable term
Infoldings (Dry Pollen)
aperture(s) sunken
interapertural area sunken
irregularly infolded
not infolded
no suitable term
Aperture
Aperture Number
none
1
2
3
4
5
6
>6
number varies
Aperture Type
colporus
colpus
leptoma
no aperture
poroid
porus
ring-like aperture
spiral aperture(s)
sulcus
ulcus
Aperture Condition
colpate
colporate
dicolpate
dicolporate
diporate
disulcate
hexacolpate
hexacolporate
inaperturate
pantocolpate
pantocolporate
pantoporate
pentacolpate
pentacolporate
pentaporate
polychotomosulcate
porate
poroidate
spiraperturate
stephanocolpate
stephanocolporate
stephanoporate
sulcate
syncolpate
syncolporate
tetracolpate
tetracolporate
tetraporate
tricolpate
tricolporate
triporate
trisulcate
ulcerate
Aperture Peculiarities
angulaperturate
annulus
aperture membrane ornamented
aperture membrane psilate
atrium
brevicolporus
brevicolpus
bridge
colporoidate
geniculum
heteroaperturate
lalongate
lolongate
margo
oncus
operculum
pantoaperturate
planaperturate
polychotomosulcus
pontoperculum
pororate
pseudocolpus
stephanoaperturate
synaperturate
trichotomosulcus
LM (Ornamentation and Wall Structure)
Ornamentation LM
areolate
baculate
bireticulate
clavate
clypeate
croton pattern
echinate
fossulate
foveolate
free-standing columellae
gemmate
granulate
heterobrochate
homobrochate
lophate
perforate
plicate
psilate
reticulate
reticulum cristatum
rugulate
scabrate
striate
striato-reticulate
verrucate
no suitable term
Nexine
absent
present
Sexine
absent
present
SEM (Ornamentation)
Ornamentation
areolate
baculate
bireticulate
clavate
clypeate
croton pattern
echinate
fossulate
foveolate
free-standing columellae
gemmate
granulate
heterobrochate
homobrochate
lophate
microbaculate
microclavate
microechinate
microgemmate
microreticulate
microrugulate
microverrucate
nanobaculate
nanoclavate
nanoechinate
nanogemmate
nanoreticulate
nanorugulate
nanoverrucate
perforate
plicate
psilate
reticulate
reticulum cristatum
rugulate
striate
striato-microreticulate
striato-reticulate
verrucate
no suitable term
Suprasculpture
baculate
clavate
echinate
fossulate
gemmate
granulate
microbaculate
microclavate
microechinate
microgemmate
microrugulate
microverrucate
nanobaculate
nanoclavate
nanoechinate
nanogemmate
nanorugulate
nanoverrucate
perforate
reticulate
rugulate
striate
verrucate
no suitable term
TEM (Pollen Wall Structure)
Tectum
atectate
eutectate
semitectate
Infratectum
absent
alveolate
columellate
granular
Foot Layer
absent
continuous
discontinuous
perforate
Endexine
absent
compact-continuous
compact-discontinuous
in aperture only
lamellar-continuous
lamellar-discontinuous
spongy-continuous
spongy-discontinuous
Intine
bilayered
monolayered
Supratectal Element
baculum
clava
echinus
gemma
granulum
microbaculum
microclava
microechinus
microgemma
microverruca
nanobaculum
nanoclava
nanoechinus
nanogemma
nanoverruca
verruca
no suitable term
Peculiarities
Wall Peculiarities
acalymmate
adhering Ubisch bodies
arcus
calymmate
caveate
costa
elastoviscin
impression mark
internal tectum
nodula
papilla
pluricolumellate
saccus
tenuitas
viscin threads
Miscellaneous
Pollen Coatings
absent
pollen coating vesicles
pollenkitt
primexine matrix
tryphine
Reserves in Cytoplasm
lipids
polysaccharide vesicles
starch
Cell Number
2-celled
3-celled
Ubisch bodies
absent
present
Annotations
Annotations
Pictures
Pictures Plant
Pictures LM
Pictures SEM
Pictures TEM
Methods
Preparation / Fixation
acetolyzed
Acrylic resin embedded
air dried
chloroform
critical point dried
DMP
ethanol (70 %)
ethanol (70%)
Fixed in glutaraldeyde-formaldeyde and osmium tetroxide
Fixed in glutaraldeyde-formaldeyde fixative and osmium tetroxide
formaldehyde
formalin-acetic-alcohol
glutaraldehyde
glycerine
glycerine gelatine
Karnovsky-fixation
Karnovsky-fixation (microwave)
osmium
potassium ferrocyanide
potassium permanganate
rehydrated (water)
rehydration (water)
sputter coated with gold
unfixed
Staining
aceto-carmine
basic fuchsin
iodine
lipid-test
modified Thiéry-test
potassium permanganate
Potassium permanganate and lead citrate
ruthenium red
Thiéry-test
toluidine blue
unstained
uranyl acetate & lead citrate
Other
Author of Diagnosis
Holder of Copyright
Theme / research focus
Taxonomy
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