Leucojum aestivum
Taxonomy: Spermatophyta, Asparagales, Amaryllidaceae, Leucojum
Published: 2005-06-01
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: -, polarity: heteropolar, P/E-ratio: -, shape: spheroidal, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): oblate, shape (dry pollen): -, outline in polar view (dry pollen): elliptic, infoldings (dry pollen): -, aperture number: 1, aperture type: -, aperture condition: sulcate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: psilate, nexine: -, sexine: -, SEM ornamentation SEM: 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
Author(s) of diagnosis: Aktuna, G.
Pictures
1. flower(s)
2. pollen grains after acetolysis
3. pollen grain with generative cell (asterisk) and vegetative nucleus
4. polar view (proximal)
5. equatorial view
6. detail of sulcus
7. dry pollen grain in polar view (distal)
8. dry pollen grain in polar view (proximal)
9. interapertural area fo pollen wall
10. apertural area of pollen wall
11. pollen wall at transition of aperture and interapertural area
Picture legend
- flower(s), photographer: Aktuna, G.
- pollen grains after acetolysis - fresh, acetolyzed, unstained, photographer: Aktuna, G.
- pollen grain with generative cell (asterisk) and vegetative nucleus - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
- polar view (proximal) - 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.
- detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
- 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.
- interapertural area fo pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Aktuna, G.
- apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Aktuna, G.
- pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Aktuna, G.
Literature
Copyright and Citation
Cite this publication as:
Aktuna G. 2005. Leucojum aestivum. In: PalDat - A palynological database. https://www.paldat.org/pub/Leucojum_aestivum/100773;jsessionid=7736519CD0ECAA3598EE1D3D945315CD; accessed 2024-04-18