Rhododendron maximum – Rosebay Rhododendron

Botanical Family Ericaceae

Bloom Time June – July

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

Rhododendron atlanticum – Dwarf Azalea

Botanical Family Ericaceae

Bloom Time April

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

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

Erica carnea – Winter Heath

Botanical Family Ericaceae

Bloom Time January – March

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number >6

Aperture Type Colpus

Ornamentation Psilate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color Light Green, Green

Pieris japonica – Japanese Pieris

Botanical Family Ericaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number Inaperturate

Aperture Type N/A

Ornamentation Psilate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source •

Nectar Source •

This flower is often visited more by bumble bees than honey bees, on average.

 

Rhododendron minus – Piedmont Rhododendron

Botanical Family: Ericaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Colpus

Ornamentation Psilate

Tectum Eutectate

Size (um) 60

Shape Round

Pollen Color 

Rhododendron prunifolium – Plumleaf Azalea

Botanical Family Ericaceae

Bloom Time July – August

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Colporate

Ornamentation Psilate

Tectum Eutectate

Size (um) 57

Shape Round

Pollen Color