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