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 J
Key to Tetracolporate Grains

A2 Grains intectate, subprolate, 44 x 46 μM, clavate surface, clavae form obvious fringe at apertures

Psychotria ligustrifolia
Psychotria ligustrifolia images



A1 Grains tectate




B2 Grains reticulate





C2 Reticulum obvious with lumens 0.8-1.6 μM

Argythamnia candicans
Argythamnia candicans images





C1 Grains finely reticulate without clearly defined lumens

Argythamnia lucayana
Argythamnia lucayana images




B1 Grains psilate





D3 Grains prolate






E2 Edges of aperture in costa  endocolpus appear square, 22 x 34 μM

Bumelia americana

Bumelia americana images






E1 Edges of apertures in costa  endocolpus appear triangular, 16 x 28 μM

Bumelia salicifolia
Bumelia salicifolia images





D2 Grains subprolate






F2 Grains nearly square in equatorial limb, ends blunt/flattened, 28 x 32 μM

Maytensis lucayana
Maytensis lucayana images






F1 Grains more or less round in equatorial limb.







G2 Grains large, 38 μM or greater in diameter





H2 Exine crescentic, thin walled, may collapse, 40 x 48 μM

Myrsine
Myrsine images








H1 Exine not crescentic, thin walled but do not collapse, apertures shallowly rectangular in costa endocolpus

Manilkara bahamensis
Manilkara bahamensis images







G1 Grains less than 38 μM







I2 Exine thick, thickest in equatorial region, 16 x 20 μM, ancillary thickenings towards poles in intercolpium

Batis
Bastis images





D1 Grains more or less spheroidal






J2 Colpi narrow but obvious

Swietenia
Swietenia images






J1 Colpi narrow, barely recessed, hard to see, apertures short with round ends

Manilkara zapota
Manilkara zapota 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