Amsonia rigida – Stiff Bluestar

Botanical Family Apocynaceae

Bloom Time April – May

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

Resources

Flower photos from Mount Cuba