Thalictrum aquilegiifolium
Taxonomy: Spermatophyta, Ranunculales, Ranunculaceae, Thalictrum
Published: 2005-06-01
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: -, polarity: isopolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): -, outline in polar view (dry pollen): quadrangular, infoldings (dry pollen): aperture(s) sunken, aperture number: >6, aperture type: -, aperture condition: porate, aperture peculiarities: aperture membrane ornamented, pantoaperturate
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: microechinate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: -, intine: monolayered, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: pollenkitt, reserves in cytoplasm: starch, lipids, cell number: 2-celled, Ubisch bodies: present
Annotations: Shape dry: cube
Author(s) of diagnosis: Oberschneider, W.
Pictures
1. flower(s)
2. upper focus
3. equatorial view
4. lower focus
5. generative cell (top) and vegetative nucleus
6. hydrated pollen grain
7. hydrated pollen grain
8. detail of aperture
9. dry pollen grain
10. aperture of dry pollen grain
11. interapertural area of pollen wall
12. aperture
Picture legend
- flower(s), photographer: Oberschneider, W.
- upper focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- equatorial view - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- lower focus - fresh, acetolyzed, unstained, photographer: Oberschneider, W.
- generative cell (top) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Oberschneider, W.
- hydrated pollen grain - fresh, rehydration (water) & chloroform & critical point dried & sputter coated with gold, photographer: Oberschneider, W.
- hydrated pollen grain - 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.
- dry pollen grain - dry, sputter coated with gold, photographer: Oberschneider, W.
- aperture 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, uranyl acetate & lead citrate, photographer: Oberschneider, W.
Literature
- (1969) Zur Blütenmorphologie und Bestäubungsökologie einiger Ranunculaceen (Cimicifuga L., Actaea L., Thalictrum L.). Preslia 41: 213-219
- (1971) Mode of pollination and floral sexuality in Thalictrum. Evolution 25: 659-668
- (1998) Pollenmorphologie der Ranunculanae. Diplomarbeit. Universität Wien : 125 pp
Copyright and Citation
Cite this publication as:
Oberschneider W. 2005. Thalictrum aquilegiifolium. In: PalDat - A palynological database. https://www.paldat.org/pub/Thalictrum_aquilegiifolium/111216;jsessionid=5B3FB25D325B99A786FD1D1F52B1D488; accessed 2024-04-26