Asparagus officinalis
Taxonomy: Angiospermae, Asparagales, Asparagaceae, Asparagus
Published: 2016-10-18
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: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): boat-shaped, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): aperture(s) sunken, aperture number: 1, aperture type: sulcus, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: microreticulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: absent, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: lipids, cell number: 2-celled, Ubisch bodies: present
Annotations: foot layer partly interrupted, outline in dry condition spindle-shaped
Author(s) of diagnosis: Halbritter, Heidemarie; Aktuna, Gabriela
Pictures
1. habitus
2. flower(s)
3. flower(s)
4. pollen grain with generative cell (asterisk)
5. hydrated pollen grains
6. polar distal view (oblique)
7. polar proximal view (oblique)
8. slightly oblique polar view (distal)
9. equatorial view
10. oblique view
11. sulcus border
12. detail of sulcus
13. exine surface
14. exine surface
15. dry pollen grains
16. dry pollen grain in polar view (distal)
17. dry pollen grain in polar view (proximal)
18. Ubisch bodies on inner anther wall
19. pollen grains in cross section
20. interapertural area of pollen wall
21. apertural area of pollen wall
22. pollen wall at transition of aperture and interapertural area
Picture legend
- habitus, photographer: Svojtka, M.
- flower(s), photographer: Aktuna, G.
- flower(s), photographer: Svojtka, M.
- pollen grain with generative cell (asterisk) - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
- hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar distal view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- polar proximal view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- slightly oblique polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
- oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- sulcus border - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
- exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
- dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
- dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
- Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
Literature
- (1980) Entwicklungsgeschichte und Ultrastruktur von Pollenkitt und Exine bei nahe verwandten entomophilen und anemophilen Angiospermensippen der Alismataceae, Liliaceae, Juncaceae, Cyperaceae, Poaceae und Araceae. Pl Syst Evol 134: 229-267
- (1994) Exkursionsflora von Österreich : 1180
- (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., Aktuna G., Svojtka M. 2016. Asparagus officinalis. In: PalDat - A palynological database. https://www.paldat.org/pub/Asparagus_officinalis/301572; accessed 2024-11-01