Pollen morphology of Caiophora species (Loasaceae) in Argentina
DOI:
https://doi.org/10.30550/j.lil/1845Keywords:
Acetolyzed, Caiophora, pollen, tricolporateAbstract
The pollen morphology of the 17 species of Caiophora (Loasaceae) recorded in Argentina is described and its possible taxonomic value in the delimitation of these entities is considered. Acetolyzed and non-acetolyzed pollen grains were observed and measured under light microscopy (LM), while non-acetolyzed grains were used for scanning electron microscopy (SEM). The analyzed species present small to medium prolate to prolate spheroidal pollen grains; reticulate exine with interlocking walls at different levels; walls are smooth, microgranulated or microperforated. Under SEM, interspecific differences are observed with respect to wall thickness and lumen diameter.
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