August

Buddleja davidii – Butterfly Bush

 

Buddleja davidii – Butterfly Bush
Buddleja davidii – Butterfly Bush
Buddleja davidii – Butterfly Bush
Buddleja davidii – Butterfly Bush
Buddleja davidii – Butterfly Bush
Buddleja davidii – Butterfly Bush
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

Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
Malva sylvestris – High Mallow
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

Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
Cucumis sativus – Cucumber
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 • •

Heptacodium miconioides – Seven-Son Flower

Heptacodium miconioides – Seven-Son Flower
Heptacodium miconioides – Seven-Son Flower
Heptacodium miconioides – Seven-Son Flower
Heptacodium miconioides – Seven-Son Flower
Heptacodium miconioides – Seven-Son Flower

Botanical Family  Caprifoliaceae

Bloom Time August – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate/Perforate

Tectum Eutectate

Size (um) 55

Shape Round

Pollen Color Light Yellow

Honey Bee Resources

Pollen Source • • •

Nectar Source • • •

Myosotis spp. – Forget-Me-Not

Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not

Botanical Family Boraginaceae

Bloom Time April – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Psilate/Granulate

Tectum Eutectate

Size (um) 11

Shape Oval

Pollen Color Yellow, Light Yellow

Honey Bee Resources

Pollen Source

Nectar Source

 

 

 

Impatiens spp. – Jewelweed

Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed
Impatiens spp. – Jewelweed

Botanical Family Balsaminaceae

Bloom Time June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number Inaperturate

Aperture Type N/A

Ornamentation Granulate

Tectum Eutectate

Size (um) 32

Shape Oval

Pollen Color White

Honey Bee Resources

Pollen Source

Nectar Source

Begonia spp. – Begonia

Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia
Begonia spp. – Begonia

Botanical Family Begoniaceae

Bloom Time June – Frost

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Microreticulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Agrimonia spp. – Agrimony

Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony
Agrimonia spp. – Agrimony

Botanical Family: Rosaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source •

Nectar Source •

Asclepias incarnata – Swamp Milkweed

 

Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed
Asclepias incarnata – Swamp Milkweed

Botanical Family: Apocynaceae

Bloom Time July – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Psilate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color N/A (pollinium)

Honey Bee Resources

Pollen Source • •

Nectar Source • • •

Resources 

Flower photos contributed by Mount Cuba

Asclepias tuberosa – Butterfly Weed

Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed
Asclepias tuberosa – Butterfly Weed

Botanical Family: Apocynaceae

Bloom Time June – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color N/A (pollinium)

Honey Bee Resources

Pollen Source •

Nectar Source • • •

Resources

Brianna Borders and Eric Lee-Mäder (2014). Milkweeds: A Conservation Practitioner’s Guide: Plant Ecology, Seed Production Methods, and Habitat Opportunities. Xerces Society for Invertebrate Conservation.

Connie Krochmal (2016). Milkweeds as Honey Plants. Bee Culture: The Magazine of American Beekeeping.

Flower photos contributed by Mount Cuba