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an online publication on recent pollen

Tulipa kaufmanniana

Taxonomy: Angiospermae, Liliales, Liliaceae, Tulipa

Published: 2016-11-25

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 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: sulcate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): interapertural area sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microrugulate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: tenuitas,  supratectal element: -

Miscellaneous

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

Annotations: shape in hydrated condition: oblate to spheroidal; aperture covered with exine elements, often fused forming a kind of operculum; 2 proximal tenuitates.

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

polar distal view

3. polar distal view

polar proximal view

4. polar proximal view

equatorial view

5. equatorial view

equatorial view

6. equatorial view

aperture with "operculum"

7. aperture with "operculum"

exine surface

8. exine surface

exine surface

9. exine surface

tenuitas

10. tenuitas

dry pollen grains

11. dry pollen grains

dry pollen grains

12. dry pollen grains

Ubisch bodies on inner anther wall

13. Ubisch bodies on inner anther wall

detail of Ubisch bodies

14. detail of Ubisch bodies

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. flower(s), photographer: Halbritter, H.
  3. polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar proximal 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. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture with "operculum" - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. tenuitas - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  13. Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. detail of Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

  • Dahse HM (1988) Beiträge zur Pollenmorphologie der Gattung Tulipa. Wiss Z Friedrich-Schiller-Univ Jena, Math-Naturwiss Reihe 37: 177-183
  • Gubatz S, Wiermann R (1992) Studies on sporopollenin biosynthesis in Tulipa anthers. III. Incorporation of specifically labeled 14C-phenylalanine in comparison to other precursors. Bot Acta 105: 407-413
  • Kosenko VN (1999) Contributions to the pollen morphology and taxonomy of the Liliaceae. Grana 38: 20-30
  • Rittscher M, Wiermann R (1983) Occurrence of phenylalanine ammonia-lyase (PAL) in isolated tapetum cells of Tulipa anthers. Protoplasma 118: 219-224
  • Rittscher M, Wiermann R (1988) Studies on sporopollenin biosynthesis in Tulipa anthers. I. The development of an appropriate application method for radiolabeled precursors. Sex Pl Reprod 1: 125-131
  • Rittscher M, Wiermann R (1988) Studies on sporopollenin biosynthesis in Tulipa anthers. II. Incorporation of precursors and degradation of the radiolabeled polymer. Sex Pl Reprod 1: 132-139
  • Strack D, Sachs G, Wiermann R (1981) Pollen of Tulipa cv. Apeldoorn as an accumulation site of flavonol di- and triglycosides. Z Pflanzenphysiol 103: 291-296
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Halbritter H. 2016. Tulipa kaufmanniana. In: PalDat - A palynological database. https://www.paldat.org/pub/Tulipa_kaufmanniana/302437; accessed 2024-11-01

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