Spiranthes spiralis
Taxonomy: Angiospermae, Asparagales, Orchidaceae, Spiranthes
Published: 2016-11-07
Pollen Description
Shape, Size and Aperture
pollen unit: tetrad, dispersal unit and peculiarities: pollinarium, 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: tetrad, polarity: heteropolar, P/E-ratio: -, shape: irregular, outline in polar view: elliptic, 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: none, aperture type: no aperture, aperture condition: inaperturate, aperture peculiarities: -
Ornamentation and Structure
LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: reticulate, suprasculpture SEM: -, TEM tectum: -, infratectum: -, foot layer: -, endexine: -, intine: -, wall peculiarities: -, supratectal element: -
Miscellaneous
pollen coatings: -, reserves in cytoplasm: -, cell number: -, Ubisch bodies: -
Author(s) of diagnosis: Svojtka, Matthias
Pictures
1. inflorescence(s)
2. pollinarium (two bilobed pollinia)
3. pollinia
4. hydrated tetrads (forming pollinium)
5. hydrated tetrads (forming pollinium)
6. hydrated tetrad
7. exine surface of hydrated tetrad
8. dry tetrad
Picture legend
- inflorescence(s), photographer: Svojtka, M.
- pollinarium (two bilobed pollinia) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- pollinia - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- hydrated tetrads (forming pollinium) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- hydrated tetrads (forming pollinium) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- exine surface of hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Svojtka, M.
- dry tetrad - dry, sputter coated with gold, photographer: Svojtka, M.
Literature
Copyright and Citation
Cite this publication as:
Svojtka M. 2016. Spiranthes spiralis. In: PalDat - A palynological database. https://www.paldat.org/pub/Spiranthes_spiralis/301974; accessed 2024-11-10