Starry Rosinweed — Silphium asteriscus

Starry Rosinweed - Silphium asteriscus

There are 5 varieties of Silphium asteriscus listed in Weakley's Flora - not sure which one this one is.

Durham Co., NC 6/21/2009

Starry Rosinweed - Silphium asteriscus

Durham Co., NC 6/21/2009

Starry Rosinweed - Silphium asteriscus

Durham Co., NC 6/21/2009

Starry Rosinweed - Silphium asteriscus

Durham Co., NC 6/21/2009

All photographs and text ©2013 by Will Cook unless otherwise noted.