Forgot your password?
New to PalDat?
 
 
Login
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Scorzonera cana

Taxonomy: Spermatophyta, Asterales, Asteraceae, Scorzonera

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: lophate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

LM  ornamentation LM: echinate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: echinate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: absent

Author(s) of diagnosis: Halbritter, H.

Pictures

flower(s)

1. flower(s)

polar view

2. polar view

equatorial view

3. equatorial view

aperture

4. aperture

polar area

5. polar area

exine surface

6. exine surface

dry pollen grains

7. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Blackmore S (1982) A functional interpretation of Lactuceae (Compositae) pollen. Pl Syst Evol 141: 153-168
  • Blackmore S, Claugher D (1987) Observations on the substructural organisation of the exine in Fagus sylvatica L. (Fagaceae) and Scorzonera hispanica L. (Compositae: Lactuceae). Rev Palaeobot Palynol 53: 175-184
  • Claugher D (1986) Pollen wall structure, a new interpretation. Scan Electron Microscop I: 291-299

Copyright and Citation

Cite this publication as:

Halbritter H. 2005. Scorzonera cana. In: PalDat - A palynological database. https://www.paldat.org/pub/Scorzonera_cana/105228;jsessionid=F9E1B880BB046F9B1078C8AC3BC97C78; accessed 2024-05-01

Newer Publications