Term DefinitionTags
Striae  more or less depressed parallel elements that in a striate pollen alternates with the lirae....
Strioclavate  ref. sculture. SporodermSporodermDefinition:   pollen grain wall formed by the exina (outer layer) and the intine (inner layer)....
with striate clavae....
Structure  sporoderm observed in layers and particularly in section. ExineExineDefinition:   external layer of the sporoderm consisting of ectexine plus endexine....
inner organisation....
Subangular  distinctive pollen shape in polar view....
Subcircular  kind of pollen shape in polar view....
Subechinate  sporoderm with spinae of less than 1 um placed on the tectum of lophate pollens....
Subisopolar  pollen grain in which the two polar areas are not quite the same. The one can be more or less co...
Suboblate  pollen with the P/E ratio between 0.75 to 0.88 and slightly flattened at the poles....
Subprolate  pollen with the P/E ratio between 1.14 to 1.33 and slightly elongated at the poles....
Subtèctate  pollen grain with discontinuous interrupted tectum....
Subtriangular  type of pollen shape in polar view....
Suprareticulate  ref. sculture. Reticulum sporoderm leaning on the tectum....
Syncolporate  . aperture. PollenPollenDefinition:   The pollen grain is the Gymnosperms and Angiosperms male germ element. Its function relates to the sexual fertilization....
grain with colpi connected or fused in polar area (including pori)....
Syncopate  ref. aperture. PollenPollenDefinition:   The pollen grain is the Gymnosperms and Angiosperms male germ element. Its function relates to the sexual fertilization....
grain with colpi anastomosed (fused) in polar area....
Tectate  pollen grain entirely formed by the tectum....
Tectum  the outermost layer, more or less sculptured....
Tetracolpate  ref. aperture. PollenPollenDefinition:   The pollen grain is the Gymnosperms and Angiosperms male germ element. Its function relates to the sexual fertilization....
grain with four colpi along the equatorial belt....
Tetracolporate  ref. aperture. PollenPollenDefinition:   The pollen grain is the Gymnosperms and Angiosperms male germ element. Its function relates to the sexual fertilization....
grain with four apertures formed by colpi and pori along the equatorial be...
Tetrad  pollen unit formed by four still joined pollens, derived from the same mother cell....
Triangular  distinctive pollen shape in polar view....
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