Glossary

Pollen Atlas Glossary

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Tectate

pollen grain entirely formed by the tectum.

Tectum

the outermost layer, more or less sculptured.

Tetracolpate

ref. aperture. Pollen grain with four colpi along the equatorial belt.

Tetracolporate

ref. aperture. Pollen grain with four apertures formed by colpi and pori along the equatorial belt.

Tetrad

pollen unit formed by four still joined pollens, derived from the same mother cell.

Triangular

distinctive pollen shape in polar view.

Trichotomocolpate

ref. aperture. Pollen grain with apertures that are cleaved along three sunburst directions.

Tricolporate

ref. aperture. Pollen grain with three apertures formed by colpi and pori.

Tricolporoidate

ref. aperture. Pollen grain with three apertures formed by colpi and poroids.

Triporate

ref. aperture. Pollen grain with three apertures formed by pori.

Bibliography:
Bucher E., Kofler V., Vorwhol G., Zieger E., 2004 – Lo spettro pollinico dei mieli dell’Alto Adige. Azienda provinciale per la protezione dell’ambiente e la tutela del lavoro-Laboratorio biologico 676 pp
Ciampolini F., Cresti M., 1981 – Atlante dei principali pollini allergenici presenti in Italia. Università di Siena 190 pp.
Von der Ohe K., von der Ohe W., 2000 – Celler melissopalynologische sammlung CMS . Celle’s Melisopalynological Collection. Niedersachsisches Landesinstitut fur Bienenkunde.