Forgot your password?
New to PalDat?
 
 
Login
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Digitalis lutea

Taxonomy: Spermatophyta, Scrophulariales, Veronicaceae, Digitalis

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 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: -,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

LM  ornamentation LM: psilate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microreticulate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: lipids,  cell number: 2-celled,  Ubisch bodies: present

Author(s) of diagnosis: Halbritter, H.; Svojtka, M.; Weber, M.

Pictures

polar view

1. polar view

equatorial view

2. equatorial view

aperture

3. aperture

exine surface

4. exine surface

polar area

5. polar area

dry pollen grains

6. dry pollen grains

cross section of pollen grain

7. cross section of pollen grain

pollen wall; infratectum filled with pollenkitt (asterisks)

8. pollen wall; infratectum filled with pollenkitt (asterisks)

aperture

9. aperture

vegetative nucleus (asterisk) and generative cell

10. vegetative nucleus (asterisk) and generative cell

Picture legend

  1. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - 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. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  7. cross section of pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Svojtka, M.
  8. pollen wall; infratectum filled with pollenkitt (asterisks) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  9. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.
  10. vegetative nucleus (asterisk) and generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Weber, M.

Literature

  • Andersen ST (1961) Vegetation and environment in Denmark in the Early Weichselian Glacial (Last Glacial). Dan Geol Unders II: 175 pp, 15 pl
  • Andrew R (1984) A practical pollen guide to the British flora. Quaternary Res Bull Technical Guide I: 1-139
  • Armbruster L, Oenike C (1929) Die Pollenformen als Mittel zur Honigherkunftbestimmung. Bücherei für Bienenkunde. Karl Wachholtz Verlag, Neumünster in Holstein X: 1-116, 23 pl
  • Bassin M, Pacini E, Franchi GG (1994) Humidity stress responses in pollen of anemophilous and entomophilous species. Grana 33: 146-150
  • Belmonte J, Pérez-Obiol R, Roure JM (1986) Claves para la determinación de los polenes de las principales especies melíferas de la Península Ibérica. Orsis 2: 27-54
  • Biourge P (1892) Recherches morphologiques et chimiques sur les grains de pollen. La Cellule 8: 47-80
  • Gagnepain F (1898) A travers les pollens indigènes. Bull Soc Hist Nat Autun 11: 217-238
  • Hansgirg A (1897) Beiträge zur Biologie und Morphologie des Pollens. Sitzber Böhm Ges Wiss Prag Jahrb XXIII: 1-76
  • Hassall AH (1842) Observations on the structure of the pollen granule, considered principally in reference to its eligibility as a means of classification. Ann Mag Nat Hist 8 & 9: 92-108, 544-573
  • Huang TC (1970) Pollen grains of Formosan plants. VI. Taiwania 15: 73-179
  • Ikuse M (1956) Pollen grains of Japan. Hirokawa Publishing Co, Tokyo I-XII: 1-304
  • Inceoglu O, Karamustafa F (1977) The pollen morphology of plants in Ankara region IV. Scrophulariaceae. Commun Fac Sci Univ Ankara Ser C2 Bot 21: 131-143
  • Karim FM, El-Oqlah AA (1989) Palynological studies in the family Scrophulariaceae from Jordan and Iraq. Pollen et Spores 31: 203-214
  • Lee S (1979) A factor analysis study of the functional significance of Angiosperm pollen. Syst Bot 3: 1-19
  • Lopez GB, Tendero FV (1981) Aportaciones al estudio de la flora de Andalucia Oriental: Provincia de Jaen (Espana). Bol Soc Bot Ser 2 53: 1013-1036
  • Minkin JP, Eshbaugh WH (1989) Pollen morphology of the Orobanchaceae and rhinanthoid Scrophulariaceae. Grana 28: 1-18
  • Mitroiu-Radulescu N, Moroianu M (1981) Morphologie du pollen et embryogenése chez Digitalis purpurea L. et D. thapsi L. Rev Roum Biol, Biol Vég 26: 117-122
  • Mohl H (1834) Über den Bau und die Formen der Pollenkörner. Beiträge zur Anatomie und Physiologie der Gewächse. Erstes Heft. Bern 4: 130 pp, 6 pl
  • Mohl H (1835) Sur la structure et les formes des graines de pollen. Ann Sci Nat, Ser 2 3: 148-180, 220-236, 304-346
  • Nair PKK (1965) Pollen grains of Western Himalayan Plants. Asia Monographs, India 1 VIII: 1-102
  • Natarajan AT (1957) Studies in the morphology of pollen grains. Tubiflorae. Phyton 8: 21-42
  • Risch C (1939) Die Pollenkörner der in Deutschland wild wachsenden Scrophulariaceen. Ber Deutsch Bot Ges 57: 108-121
  • Sadowska A, Kuszell T, Lorenc K (1986) Kartoteka Palynologiczna Roslin Polskich. Opolskie Towarzystwo Przyjaciol Nauk, Zeszyty Przyrodnicze 24: 287-296
  • Shimakura M (1973) Palynomorphs of Japanese plants. Spec Publ Osaka Mus Nat Hist 5: 1-60
  • Sosa-Bourdouil C (1938) Sur le pollen de l'hybride de Digitalis lutea L. X Digitalis purpurea L. Bull Soc Bot France 85: 584-586
  • Ting-Su (1949) Illustration of pollen grains of some Chinese plants. Bot Not 4: 277-282
  • Varghese TM (1968) Studies in the family Scrophulariaceae - II. J Palynol Lucknow 4: 91-97
  • Velásquez-R., Rangel-C. (1995) Atlas palinológico de la flora vascular del páramo. I. Las familias mas ricas en especies. Caldasia 17: 509-568
  • Wei ZX (1989) Pollen morphology of Wightia and ist taxonomic significance. Acta Bot Yunn 11: 65-70

Copyright and Citation

Cite this publication as:

Halbritter H., Svojtka M., Weber M. 2005. Digitalis lutea. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Digitalis_lutea/113233;jsessionid=11623D912F3D3A6B1EB98104ECF2E72A; accessed 2025-01-26

Newer Publications