Eschscholzia californica
Taxonomy: Angiospermae, Ranunculales, Papaveraceae, Eschscholzia
Published: 2016-10-21
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: colpate, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): spheroidal, outline in polar view (dry pollen): circular, infoldings (dry pollen): aperture(s) sunken, aperture number: 5, aperture type: colpus, aperture condition: colpate, pentacolpate, aperture peculiarities: aperture membrane psilate
Ornamentation and Structure
LM ornamentation LM: reticulate, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, bireticulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: discontinuous, endexine: compact-discontinuous, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: absent
Annotations: sometimes 6-colpate (about 20%), rarely 4- or 7-colpate; microechinae situated at the angles of the muri
Author(s) of diagnosis: Oberschneider, Wolfgang
Pictures
1. flower(s)
2. upper focus
3. optical section
4. lower focus
5. polar view
6. equatorial view
7. detail of aperture
8. exine surface
9. polar view of dry pollen grain
10. interapertural area of pollen wall
11. aperture
12. generative cell (left) and vegetative nucleus
Picture legend
- flower(s), photographer: Oberschneider, W.
- upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- optical section - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- polar view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- equatorial view - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- detail of aperture - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- exine surface - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- polar view of dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
- aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Oberschneider, W.
- generative cell (left) and vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Oberschneider, W.
Literature
- (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
- (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:
Oberschneider W. 2016. Eschscholzia californica. In: PalDat - A palynological database. https://www.paldat.org/pub/Eschscholzia_californica/301708; accessed 2024-11-10