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Sculpture. Basic terms


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Sculpture
Orthogriphical variant of sculpturing.
Sculpturing
The surface relief, or topography, of a pollen grain or spore.
Sculpural density
The estimated number of sculptural elements in an area of 100 µm2 of the surface of theexine.
Pattern
A general word, applied in palynology either to surface features or infratectal elements, such as columellae.
Ornamentation
A general term that is useful for describing the organisation of features.
Inordinate
Describing a pollen grain or spore with an arrangement of elements irregularly distributed.
Ordinate
Describing a pollen grain or spore with an arrangement of elements regularly distributed.
Laevigate
A general term for smooth, as if polished (Jackson, 1928).
Levigate
Orthographical variant of laevigate.
Perforate
A general adjective indicating the presence of holes, applied in palynology to holes less than 1µm in diameter and generally situated in the tectum.
Tuberculate
Covered with knobbly projections.
Scabrate
Describing elements of ornamentation, of any shape, smaller than 1µm in all directions. Examples: Quercus (Fagaceae), Artemisia (Compositae).
Pitted
A general term for small depressions (Jackson, 1928)
Psilate
Describing a pollen or spore with a smooth surface.
Papilla
A general term, applied in palynology to parallel sided exinous elements with rounded apices, less than 1µm in length.