Glandularia canadensis

A widespread species in the eastern U.S., easily confused with Glandularia bipinnatifida, the latter species being common to the west and questionably reported from Indiana.

Plant habit at Beaver's Bend State Park in southeastern Oklahoma, 27 Mar 2008.

Flowers at Beaver's Bend State Park, Oklahoma, 27 Mar 2008.

Sepals & bracts, Beaver's Bend State Park, Oklahoma, 27 Mar 2008.

A cauline leaf at Beaver's Bend State Park, 27 Mar 2008.