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 • • •

Viburnum prunifolium – Blackhaw Viburnum

Botanical Family Adoxaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate/Microreticulate

Tectum Eutectate

Size (um) 27

Shape Round

Pollen Color Tan, Green

Honey Bee Resources

Pollen Source

Nectar Source

Viburnum carlesii – Koreanspice Viburnum

Botanical Family Adoxaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate/Mircoreticulate

Tectum Eutectate

Size (um) 27

Shape Round

Pollen Color Tan, Green

Honey Bee Resources

Pollen Source

Nectar Source

Viburnum farreri – Viburnum

Botanical Family Adoxaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate

Tectum Eutectate

Size (um) 27

Shape Round

Pollen Color Tan, Green

Honey Bee Resources

Pollen Source

Nectar Source

Penstemon calycosus – Smooth Beardtongue

Botanical Family: Plantaginaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Semi-tectate

Size (um) 25

Shape Round

Pollen Color Green, Tan

Honey Bee Resources

Pollen Source

Nectar Source

Flower photos contributed by Mount Cuba

Lobelia inflata – Indian Tobacco

Botanical Family: Campanulaceae

Bloom Time  June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color Tan, Dark Yellow

Honey Bee Resources

Pollen Source

Nectar Source

Liatris spicata – Blazing Star

Botanical Family Asteraceae

Bloom Time July – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 26

Shape Round

Pollen Color Light Yellow, Yellow, Tan

Honey Bee Resources

Pollen Source •

Nectar Source •

Flower photo contributed by Mount Cuba