Ambrosia spp. – Ragweed

Botanical Family Asteraceae

Bloom Time June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Spigelia gentianoides – Purpleflower Pinkroot

Botanical Family Ranunculaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Clematis hybrid – Clematis

Botanical Family Ranunculaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photos contributed by Mount Cuba

Physalis heterophylla – Clammy Ground Cherry

Botanical Family Solanaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Clematis orientalis – Orange Peel Clematis

Botanical Family Ranunculaceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 21

Shape Round

Pollen Color Light Green, Light Orange, Light Yellow

Honey Bee Resources

Pollen Source

Nectar Source

Melilotus officinalis – Yellow Sweet Clover

Botanical Family Fabaceae

Bloom Time May – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Oval

Pollen Color Tan, Dark Yellow

Honey Bee Resources

Pollen Source • • •

Nectar Source • • •

Callona vulgaris – Scotch Heather

Botanical Family Ericaceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number N/A

Aperture Type Inaperturate

Ornamentation Psilate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Buddleja davidii – Butterfly Bush

 

Botanical Family Scrophulariaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color Yellow, Green

Honey Bee Resources

Pollen Source •

Nectar Source • •

Malva sylvestris – High Mallow

Botanical Family Malvaceae

Bloom Time June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number Inaperturate

Aperture Type N/A

Ornamentation Echinate/Porate

Tectum Eutectate

Size (um) 94

Shape Round

Pollen Color White

Honey Bee Resources

Pollen Source •

Nectar Source •

Pollen Load Identification

No pollen loads are actually seen on the corbicula for Malva spp., but there is typically a lot of pollen dusting on all parts of the honey bee, especially for the nectar gatherers.

 

Cucumis sativus – Cucumber

Botanical Family Cucurbitaceae

Bloom Time June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Semi-tectate

Size (um) 55

Shape Round

Pollen Color Yellow, Light yellow

Honey Bee Resources

Pollen Source •

Nectar Source • •