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 H3
Key to Tricolpate Scabrate Grains*

A2 Furrow with equatorial constriction, grains variable in shape and size, edges with colpi appear thickened

Strumphia
Strumphia images



A1 Furrow without equatorial constriction




B3 Grains prolate, 44 x 62 μM, blunted triangles in equatorial limb, walls thick







C2 Walls thick, psilate with slightly raised verrucae on poles, 40 μM in equatorial diameter

Canavalia rosea
Canavalia rosea images





C1 Walls thinner, psilate with no verrucae, large grains, 40-60 μM in equatorial diameter

Canavalia nitida
Canavalia nitida images 400X




B2 Grains spherical, about 40 μM, surface densely packed with minute structural elements, walls 4-5 μm thick

Leuceana
Leuceana images




B1 Grains less than 40 μM in equatorial diameter





D2 Grains spheroidal or equatorial and polar dimensions about equal






E2 Grains 23-30 μM, slightly triangular in equatorial limb, intectate with minute clavate elements

Galactia bahamensis
Galactia bahamensis images






E1 Grains about 34 μM, round to slightly triangular in equatorial  limb, intectate, surface elements minutely gemmate Galactia rudolphoides
Galactia rudolphoides images





D1 Grains subprolate






F2 Grains 34 x 46 μM, thin walled, tend to collapse, colpi narrow jagged

Agalinus
Agalinus images






F1 Grains smaller, thicker walled, edges of intercolpium turned inward







G2 Polar ends of grains broadly rounded







H2 Grains about 21 x 27 μM, colpi fairly wide, open, strongly indented in equatorial section

Capraria
Capraria images








H1 Grains about 24 x 32 μM, colpi narrow, shallowly indented in equatorial section

Leonotis
Leonotis images







G1 Grains tapered toward ends, colpi narrow







I2 Grains 20 x 26 μM

Pseudocarpidium
Pseudocarpidium images








I1 Grains 12 x 16 μM

Stemodia
Stemodia images



* Note: Some of the taxa included in this key are intectate, but all appear to have a surface that is finely grainy with surface elements resolvable only at high magnification, if at all.


  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