Purple Milkweed (Asclepias purpurascens)

Synonym:

Status: endangered in Wisconsin

Habitat Description: open oak wood edges and roadsides over a range of soil moisture conditions

Habitat Classification
WI NHI: Oak Woodland, Oak Opening, Wet-Mesic Prairie
Curtis: Oak Woodland, Oak Opening, Wet-Mesic Prairie
Kotar: NA
Forest Cover: White Oak; Black Oak; Burr Oak

Comments:

Range: Crawford, Dane, Grant, Iowa, Jefferson, Kenosha, Lafayette, Milwaukee, Racine, Richland, Rock, Sauk, Walworth, Washington, Waukesha, Waushara, Winnebago

Phenology: flowers in June and July across its US range

Field Guides:
Britton and Brown, p.3:77/p.3:77
Gleason 1963, p.558
Gleason 1991, p.397
Peterson, p.294/p.295