Euthamia caroliniana–Slender Goldentop

Botanical Family Asteraceae

Bloom Time August – December

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size

Shape Round

Eurybia hemispherica–Southern Prairie Aster

Botanical Family Asteraceae

Bloom Time July–November

 

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Tectate

Size

Shape Round

Eurybia schreberi – Schreber’s Aster

Botanical Family Asteraceae

Bloom Time July – November

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

Flower photo contributed by Mount Cuba

Eupatorium fistulosum –Trumpetweed

 

Botanical Family Asteraceae

Bloom Time August – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source • •

Nectar Source • •

Flower photo contributed by Mount Cuba

Erigeron strigosus – Common Eastern Fleabane

Botanical Family Liliaceae

Bloom Time  April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Semitectate

Size

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

 

Datura Metel–Horn of Plenty

 

Botanical Family Solanaceae

Bloom Time  July – Frost

 

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Striate

Tectum Eutectate

Size

Shape Oval

Crocus speciosus – Bieberstein’s Crocus

 

Botanical Family Iridaceae

Bloom Time September – November

Pollen Characteristics

Dispersal Unit Monad

Aperture Number N/A

Aperture Type Inaperturate

Ornamentation Striate, Porate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color Orange

Honey Bee Resources

Pollen Source • • •

Nectar Source • • •

Coryopteris clandonensis–Bluebeard

 

Botanical Family Lamiaceae

Bloom Time July-September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color

Commelina communis – Asiatic Dayflower

 

Botanical Family Commelinaceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 0-1

Aperture Type Inaperturate

Ornamentation Echinate

Tectum Eutectate

Size (um)

Shape Oval 

Pollen Color Yellow, Blue, Brown

Honey Bee Resources

Pollen Source

Nectar Source

The pollen from Commelina communis is polymorphic, meaning that the pollen, and often the anthers as well, come in different colors. In this case, Commelina has yellow, blue, or brown anthers and pollens (Willner 2011). Commelina communis has sterile, or fodder pollen, as well as fertile pollen, and these different types of pollen can have different colors even on the same flower head.

Sources

Willmer, P. (2011). Pollination and floral ecology. Princeton, NJ: Princeton University Press.

Lunau, K. (1995). Notes on the colour of pollen. Plant Systematics and Evolution, 198(3/4), 235-252. Retrieved from http://www.jstor.org/stable/23642852

Cichorium intybus – Chickory

Botanical Family Asteraceae

Bloom Time May – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 43

Shape Round

Pollen Color Tan, Light Yellow, Cream

Honey Bee Resources

Pollen Source

Nectar Source

Pollen Load Identification

Cichorium intybus is typically found on the head and antennae of a forging bee, along with in the pollen basket.