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an online publication on recent pollen

Tulipa humilis

Taxonomy: Angiospermae, Liliales, Liliaceae, Tulipa

Published: 2016-11-22

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: sulcate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: operculum, aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

slightly oblique equatorial view

1. slightly oblique equatorial view

detail of aperture

2. detail of aperture

exine surface

3. exine surface

dry pollen grains

4. dry pollen grains

Picture legend

  1. slightly oblique equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. dry pollen grains - dry, 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 humilis. In: PalDat - A palynological database. https://www.paldat.org/pub/Tulipa_humilis/302344;jsessionid=D449A5E5DFC07346BFAE8E01725FA340; accessed 2024-03-29

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