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PalDat - Palynological Database

an online publication on recent pollen

Ulmus glabra

Taxonomy: Angiospermae, Rosales, Ulmaceae, Ulmus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ulmus-glabra.htm

Published: 2021-06-21

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): 26-30 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 26-30 µm,  longest diameter in equatorial or polar view (LM): 26-30 µm,  pollen class: porate,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 5,  aperture type: porus,  aperture condition: porate,  aperture peculiarities: stephanoaperturate

Ornamentation and Structure

LM  ornamentation LM: verrucate, gemmate, scabrate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: granulate, verrucate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: dry pollen irregularely infolded or cup-shaped

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud

Pictures

hydrated Pollen

1. hydrated Pollen

hydrated Pollen

2. hydrated Pollen

hydrated Pollen

3. hydrated Pollen

polar view

4. polar view

equatorial view

5. equatorial view

aperture

6. aperture

exine surface

7. exine surface

dry pollen grains

8. dry pollen grains

Picture legend

  1. hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
  2. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Maloney BK (1984) Pollen of Ulmus (Ulmaceae) in the subfossil record from North Sumatra - a note. Blumea 30: 69-70
  • Richard P (1970) Atlas pollinique des arbres et de quelques arbustes indigènes du Quebec - III. Angiosperms (Salicacées, Myricacées, Juglandacées, Corylacées, Fagacées, Ulmacées). Nat Canad 97: 97-161
  • Rowley JR, Rowley JS (1986) Ontogenetic development of microspores of Ulmus (Ulmaceae). In: Blackmore S., Ferguson I.K. (eds) Pollen and spores: Form and Function. Acad Press, London : 19-33
  • Stafford PJ (1995) The Northwest European Pollen Flora, 53. Ulmaceae. Rev Palaeobot Palynol 88: 25-46
  • Stockmarr J (1975) SEM studies on pollen grains of Northern European Ulmus species. Grana 14: 103-107
  • Takahashi M (1989) Pollen morphology of Celtidaceae and Ulmaceae: a reinvestigation. In: Evolution, Systematics, and fossil History of the Hamamelidae. Vol 2: 'Higher'
  • Xin YQ, Zhang YL, Xi YZ (1993) Studies on the pollen morphology of the genus Ulmus L. in China and its taxonomic significance. Acta Bot Sinica 35: 91-95
  • Zavada M (1983) Pollen morphology of Ulmaceae. Grana 22: 23-30
  • Zavada MS, Kim M (1996) Phylogenetic analysis of Ulmaceae. Pl Syst Evol 200: 13-20
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • Lian YH (1982) Apocynaceae, Bignoniaceae, Goodeniaceae, Lardizabalaceae, Menispermaceae, Nyctaginaceae, Papilionaceae, Rubiaceae, Samydaceae, Santalaceae, Sargentodoxaceae, Simaroubaceae, Thymelaeaceae, Ulmaceae. In: Angiosperm pollen flora of tropic and subtropic China. Inst Bot South China : 34-48, 60-65, 165-166, 183-186, 213-217, 244-246, 265-289, 305-325, 335-339, 351, 353-355, 375-377, 381-383

Copyright and Citation

Cite this publication as:

Halbritter H., Auer W. 2021. Ulmus glabra. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Ulmus_glabra/306201; accessed 2025-04-28

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