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an online publication on recent pollen

Prunus tenella

Taxonomy: Angiospermae, Rosales, Rosaceae, Prunus

Published: 2016-11-28

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  polarity: isopolar,  shape: oblate,  outline in polar view: triangular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: striate,  nexine: -,  sexine: -,  SEMornamentation SEM: striate, perforate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Loos, Claudia

Pictures

flower(s)

1. flower(s)

polar view,upper focus

2. polar view, upper focus

optical section

3. optical section

polar view,lower focus

4. polar view, lower focus

pollen grain with generative cell (asterisk)

5. pollen grain with generative cell (asterisk)

polar view

6. polar view

equatorial view

7. equatorial view

detail of aperture

8. detail of aperture

exine surface

9. exine surface

pollen grain in cross section

10. pollen grain in cross section

interapertural area of pollen wall

11. interapertural area of pollen wall

apertural area of pollen wall

12. apertural area of pollen wall

Picture legend

  1. flower(s), photographer: Loos, C.
  2. polar view, upper focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  3. optical section - fresh, acetolyzed, unstained, photographer: Loos, C.
  4. polar view, lower focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  5. pollen grain with generative cell (asterisk) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  8. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  10. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  11. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  12. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.

Literature

  • Ciampolini F, Cresti M, Kapil RN (1982) Germination of cherry pollen grains in vitro - An ultrastructural study. Phytomorphology 32: 364-373
  • Pacini E, Franchi GG (1982) Germination of pollen inside anthers in some non-cleistogamous species. Caryologia 35: 205-215
  • Schwalm S, Hartmann W, Stösser R (1995) Pollenentwicklung bei männlich fertilen und sterilen Sorten bei Pflaumen und Zwetschen (Prunus domestica L. ssp. domestica). Gartenbauwissenschaft 60: 145-150
  • Suárez-Cervera M, Marquez J, Bosch J, Seoane-Camba J (1994) An ultrastructural study of pollen grains consumed by larvae of Osmia bees (Hymenoptera, Megachilidae). Grana 33: 191-204
  • Uwate WJ, Lin J, Ryugo K, Stallman V (1982) Cellular components of the midstylar transmitting tissue of Prunus avium. Can J Bot 60: 98-104
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • 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:

Loos C. 2016. Prunus tenella. In: PalDat - A palynological database. https://www.paldat.org/pub/Prunus_tenella/302459;jsessionid=2E1F0B1DF2F0BFB8701BE6C8A2FF302C; accessed 2018-11-13

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