Vernonia acaulis – Stemless Ironweed

Botanical Family Asteraceae

Bloom Time June – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size (um) 39

Shape Round

Pollen Color

Honey Bee Resources

Pollen Source • •

Nectar Source • • •

Helianthus tuberosus – Jerusalem Artichoke

Botanical Family Asteraceae

Bloom Time August – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size (um) 25

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source •

Nectar Source •

Eupatorium perfoliatum – American Boneset

Botanical Family Asteraceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size (um) 24

Shape Round

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Liriope muscari – Big Blue Lilyturf

Botanical Family Liliaceae

Bloom Time August – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcate

Ornamentation Granulate

Tectum Semitectate

Size (um) 33

Shape Round

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Salvia leucantha – Mexican Bush Sage

Botanical Family Lamiaceae

Bloom Time August – Frost

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 6

Aperture Type Colpus

Ornamentation Granulate, microreticulate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source • • •

Nectar Source • • •

Pollen Load Identification 

No pollen loads are typically seen on the honey bee foraging on Salvia spp., but there is typically a pollen dusting seen on the bee’s anterior thorax and abdomen.

Sources

Hodges, D. (1952). The pollen loads of the honey bee: a guide to their identification by colour and form. London: Bee Research Assoc. Ltd.

 

Silphium laciniatum – Compass Plant

Botanical Family Asteraceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

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