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Pollen Terminology
| Pollen Shape Perplorate - very elongated prolate - slightly elongated subspheroidal - slightly irregular circular spheroidal - circular oblate - slightly flattened peroblate - very flattened Surface Patterns psilate - smooth reticulate - net-like striate - roughly parallel ridges regulate - irregular patterns | exine projections baculate - rod like clavate - club or tennis racket shaped echinate - spiny gemmate - doorknob shaped scabrate - rough or flakey porous terms operculum - cap for a pore aspis - thickening of the exine around a pore annulus - ring around pore, may be thickening or thinning oncus - thickening of intine under pore arcus - band arch between pores |