Lepidium cartilagineum
Taxonomy: Angiospermae, Brassicales, Brassicaceae, Lepidium
Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Lepidium-cartilagineum.htm
Published: 2021-02-09
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): 16-20 µm, shortest polar axis in equatorial view (LM): 11-15 µm, longest polar axis in equatorial view (LM): 16-20 µm, shortest diameter in equatorial or polar view (LM): 16-20 µm, longest diameter in equatorial or polar view (LM): 16-20 µm, pollen class: colpate, polarity: isopolar, P/E-ratio: -, shape: -, outline in polar view: circular, dominant orientation (LM): oblique, 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: colpus, aperture condition: colpate, tricolpate, aperture peculiarities: aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, suprasculpture SEM: -, TEM tectum: semitectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: tryphine, reserves in cytoplasm: -, cell number: 3-celled, Ubisch bodies: absent
Author(s) of diagnosis: Loos, C.; Auer, Waltraud
Pictures
1. flower(s)
2. pollen grain with two sperm cells (asterisks)
3. equatorial view
4. hydrated pollen
5. hydrated pollen
6. polar view
7. equatorial view
8. detail of aperture
9. exine surface
10. pollen grain in cross section
11. interapertural area of pollen wall
12. apertural area of pollen wall
Picture legend
- flower(s), photographer: Loos, C.
- pollen grain with two sperm cells (asterisks) - fresh, glutaraldehyde, aceto-carmine, photographer: Loos, C.
- equatorial view - fresh, acetolyzed, unstained, photographer: Loos, C.
- hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
- hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
- polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
Literature
- (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., Auer W. 2021. Lepidium cartilagineum. In: PalDat - A palynological database. https://www.paldat.org/pub/Lepidium_cartilagineum/305528; accessed 2024-11-10