Key to the Pollen of the Bahamas©

Links to the keys.

Link to the Master Key Link to the Submaster Key to Rotational Grains Link to the Submaster Key to Porate Grains Link to the Submaster Key to Tricolpate Grains Link to the Submaster Key to Tricolporate Grains Link to the Key to Vesiculate Grains Link to the Key to Tetrad Grains Link to the Key to Polyad Grains Link to the Key to Bilaterally Symmetrical Grains and Spores Link to the Key to Inaperturate and Irregular Grains Link to the Key to Subtetrahedral Spores
Link to the Key to Stephanocolpate Grains Link to the Key to Pericolpate Grains Link to the Key to Monocolporate Grains Link to the Key to Polycolporate Grains Link to the Key to Tetracolporate Grains Link to the Key to Monocolpate Grains Link to the Key to Tricolpate, Psilate Grains Link to the Key to Tricolpate, Scabrate Grains Link to the Key to Tricolpate, Verrucate, Echinate Grains Link to the Key to Tricolpate, Suprareticulate Grains Link to the Key to Tricolpate, Per-reticulate Grains
Link to the Key to Tricolpate, Intectate Grains Link to the Key to Tricolporate, Psilate, Scabrate Grains Link to the Key to Tricolporate, Echinate Grains Link to the Key to Tricolporate, Foveate, Suprareticulate Grains Link to the Key to Tricolporate, Intectate, Per-reticulate Grains Link to the Key to Monoporate Grains Link to the Key to Diporate Grains Link to the Key to Triporate Grains Link to the Key to Stephanoporate Grains Link to the Key to Periporate Grains

Highlighted words are linked to their glossary definitions. Definitions and images contributed by the Glossary of Pollen and Spore Terminology,second and revised edition by Peter Hoen.


Table I2
Key to Tricolporate Echinate Grains

A2 Spines very short, bases barely raised above spherical surface of grain (Iva imbricate pollen is about 24 μM while Iva chieranthifolia is about 30 μM.)

Iva sp.
Iva images
A1 Spines prominent on well defined bases






B2 Clear tips of spines shorter than height of bases







C2 Colpi wide, prominent, tips of spines blunt

Flaveria linearis
Flaveria linearis images


C1 Colpi obvious but not wide, tips of spines more acute

Flaveria trinerva
Flaveria trinerva images

B1 Tips of spines equal to or longer than height of bases







D2 Spines prominent, about 4 μM long, tips very long and tapering to acute points, tips join bases in a smooth, concave profile

Wedelia
Wedelia images


D1 Spines smaller, less prominent







E3 Spines closely spaced with bases nearly contiguous, 24 μM

Erigeron
Erigeron images



E2 Spines moderately spaced, colpi very narrow, 30-38 μM

Emelia
Emelia images



E1 Spines widely spaced, bases not contiguous, 22 μM

Eupatorium
Eupatorium images


  To download the taxonomic key: link to download key   To return to  the introduction: link to introduction   For information on the included taxa: link to taxa and sources   For information on the glossary: link to glossary introduction