Apium nodiflorum

Taxonomy: Spermatophyta, Araliales, Apiaceae, Apium

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: prolate, shape: -, outline in polar view: circular, dominant orientation (LM): -, P/E-ratio (dry pollen): -, shape (dry pollen): -, outline in polar view (dry pollen): -, infoldings (dry pollen): -, aperture number: 3, aperture type: colporus, aperture condition: colporate, aperture peculiarities: -

Ornamentation and Structure

LM ornamentation LM: -, nexine: -, sexine: -, SEM ornamentation SEM: rugulate, perforate, suprasculpture SEM: -, TEM tectum: eutectate, infratectum: columellate, foot layer: continuous, endexine: compact-continuous, intine: monolayered, wall peculiarities: -, supratectal element: -

Miscellaneous

pollen coatings: pollenkitt, primexine matrix, reserves in cytoplasm: lipids, polysaccharide vesicles, cell number: 3-celled, Ubisch bodies: present

Annotations: ornamentation rugulate to rugulate-striate

Author(s) of diagnosis: Weber, M.

Pictures

1. equatorial view

2. pollen grain with vegetative nucleus (asterisk) and sperm cells

3. pollen wall

Picture legend

equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Weber, M.
pollen grain with vegetative nucleus (asterisk) and sperm cells - fresh, glutaraldehyde & potassium ferrocyanide, Thiéry-test, photographer: Weber, M.
pollen wall - fresh, glutaraldehyde & potassium ferrocyanide, Thiéry-test, photographer: Weber, M.

Literature

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Weber M (1992) Nature and distribution of the exine-held material in mature pollen grains of Apium nodiflorum L. (Apiaceae). Grana 31: 17-24
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Copyright and Citation

Cite this publication as:

Weber M. 2005. Apium nodiflorum. In: PalDat - A palynological database. https://www.paldat.org/pub/Apium_nodiflorum/103516;jsessionid=4C163FE537A108BE5A692F42BBB55C3E; accessed 2024-04-16

PalDat - Palynological Database

an online publication on recent pollen