Chenopodium hybridum
Taxonomy: Angiospermae, Caryophyllales, Amaranthaceae, Chenopodium
Published: 2016-07-13
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): -, 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: porate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): irregular, outline in polar view (dry pollen): irregular, infoldings (dry pollen): irregularly infolded, aperture number: >6, aperture type: porus, aperture condition: porate, pantoporate, aperture peculiarities: pantoaperturate, aperture membrane ornamented
Ornamentation and Structure
LM ornamentation LM: scabrate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: absent, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, primexine matrix, reserves in cytoplasm: lipids, starch, polysaccharide vesicles, cell number: 3-celled, Ubisch bodies: present
Annotations: conditiion of endexine not clear: might be compact-discontinuous
Author(s) of diagnosis: Halbritter, Heidemarie; Diethart, Bernadette
Pictures
1. habitus
2. flower(s)
3. pollen grain with two sperm cells
4. upper focus
5. optical section
6. lower focus
7. hydrated pollen grain
8. apertures
9. exine surface
10. dry pollen grains
11. dry pollen grain
12. dry pollen grain
13. anther wall with Ubisch bodies
14. pollen grain in cross section
15. interapertural area of pollen wall
16. interapertural area of pollen wall
17. apertural area of pollen wall
18. apertural area of pollen wall
19. apertural area of pollen wall
Picture legend
- habitus, photographer: Diethart, B.
- flower(s), photographer: Halbritter, H.
- pollen grain with two sperm cells - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
- upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
- optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
- lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
- hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- apertures - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
- exine surface - fresh, rehydrated (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 - dry, sputter coated with gold, photographer: Diethart, B.
- dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
- anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
- pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Diethart, B.
Literature
- (1969) Development and histochemistry of the endothecium in the anthers of in vitro grown Chenopodium rubrum L. Bot Gaz 130: 10-22
- (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., Diethart B. 2016. Chenopodium hybridum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Chenopodium_hybridum/301212;jsessionid=B0A09DDB90C2361AEE899FA114468F5D; accessed 2025-01-26