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 B
Key to Tetrad and Polyad Grains

A2 Grains tetrads of 4 units






B2 Tetrads linear, flat or irregular. Grains reticulate, each with two apertures.





C2 Tetrad linear. Grain with one pore

Typha
Typha images




B1 Tetrads tetrahedral, sometime irregularly so.





D2 Triporate grains






E2 Pores with vestibulum. Grains loosely connected.

Ludwigia
Ludwigia images






E1 Grains tightly connected, pores surrounded by a ring

Casasia
Casasia images 400X





D1 Tricolpate/Tricolporate grains





F2 Grains loosely connected apertures difficult to see, grains appear irregular in shape with heavy folded ridges

Laguncularia
Laguncularia images



A1 Polyads of 8 to 16 grains






G2 Polyads of 8 grains





H2 Prolate polyad of grains with thin exines

Mimosa
Mimosa images


H1 Teardrop shaped polyad, grains medium scabrate

Calliandra
Calliandra images 400X

G1 Polyads of 16 grains





I3 Loose aggregation polyad, about 80μ,grains psilate, very thin

Pithecellobium
Pithecellobium images (image 2 taken at 400X)


I2 Close aggregation polyad, about 80μ, inaperturate grains with smooth surfaces

Lysiloma
Lysiloma images



I1 Close aggregation polyad, about 40μ






J3 Spheroidal polyad, surface of grains pericolpate with 4 triangular areas, medium scabrate surface Acacia macracantha
Acacia macracantha images



J2 Spheroidal polyad, surface of grains pericolpate with Y-shaped colpi that are barely distinquishable on a psilate, surface Acacia choriophylla
Acacia choriophylla images



J1 Slightly ovoid polyad, surface of grains pericolpate with 4 triangular areas, fine scabrate surface

Acacia
farnesiana
Acacia farnesiana 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