July

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 •

Huechera spp. – Coral Bells

Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells
Heuchera spp. – Coral Bells

Botanical Family: Saxifragaceae

Bloom Time June – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Phyteuma scheuchzeri – Oxford Rampion

Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion

Botanical Family: Campanulaceae

Bloom Time May – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 4

Aperture Type Compound

Ornamentation Granulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Heuchera ‘Frosted Violet’ – Coral Bells

Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells
Heuchera ‘Frosted Violet’ – Coral Bells

Botanical Family: Saxifragaceae

Bloom Time June – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Semi-tectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Yucca filamentosa – Adam’s Needle

Yucca filamentosa – Adam’s Needle
Yucca filamentosa – Adam’s Needle
Yucca filamentosa – Adam’s Needle
Yucca filamentosa – Adam’s Needle

Botanical Family: Asparagaceae

Bloom Time June – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

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

Chamaecrista fasciculata – Partridge Pea

Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea
Chamaecrista fasciculate – Partridge Pea

Botanical Family: Fabaceae

Bloom Time June – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

 

 

Glycine max – Soy Bean

Glycine max – Soy Bean
Glycine max – Soy Bean
Glycine max – Soy Bean
Glycine max – Soy Bean
Glycine max – Soy Bean

Botanical Family: Fabaceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source