The monarch's staple

Asclepias speciosus, July 21, 2021

Asclepias speciosus, July 21, 2021

Common & scientific name
Showy milkweed, Asclepias speciosus

Family
Showy milkweed, Asclepiadaceae 

Location
Roadside, 8,300’

Fun, weird, helpful, or little known fact
A newcomer to Independence Pass, and perhaps a sign of plants moving up in response to climate change, this large, dramatic plant is best known for its association with monarch butterflies, who depend on it for food and for making it unappealing to predators (the sap in showy milkweed is poisonous).