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 L
Key to Stephanocolpate and Pericolpate Grains

A2 Apertures all meridional, stephanocolpate grains






B3 Grains 12-stephanocolpate








C2 Grains  subprolate, 26 x 34 μM, barrel-shaped

Cassytha
Cassytha images





C1 Grains oblate, 48 x 26 μM, tectum perforatum

Ernodea
Ernodea images




B2

Grains 4-stephanocolpate, oblate-spheroidal to prolate-spheroidal






D2 Grains obviously reticulate with lumens 0.8-1.6 μM     

Argythamnia candicans
Argythamnia candicans images





D1 Grains finely reticulate without clearly defined lumens

Argythamnia lucayana
Argythamnia lucayana images




B1 Grains 6-stephanocolpate





E2 Intercolpium crescentic and then flares outward at edge of aperturereticulate

Hyptis
Hyptis images





E1 Intercolpium at apertures, not as above






F2 Grains reticulate







G2 Grains 40 x 46 μM, lumen dimensions about equal to width of  muri, apertures very narrow slits

Waltheria
Waltheria images







G1 Grains 56 x 60 μM, obvious lumens 4-8 μM across

Passiflora sp
Passiflora species images






F1 Grains with definite surface elements but no patterned  reticulatjion







H2 Grains 64 x 70 μM, apertures open Vee’s

Passiflora pectinata
Passiflora pectinata images







H1 Grains 30 x 42 μM, shapes vary, apertures appear as doublets

Passiflora cuprae
Passiflora cuprae images



A1 Apertures not all meridional, pericolpate, spheroidal grains






I3 Grains with tectum perforatumapertures narrow slits, 36 μM

Evolvulus
Evolvulus images




I2 Grains scabratepsilate, 26 μM

Rivinia
Rivinia images




I1 Grains echinate, spines short, tapering to exceedingly fine tips, bases short and conical, 36 μM (this grain looks as if it’s divided into four subspheres with one on top of a group of three)
Ambrosia
Ambrosia 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