epimedium grandiflorum

One of the most popular and easily available is the Japanese import Epimedium grandiflorum.

To either side, I put in bishop's hat (Epimedium grandiflorum).

Epimedium grandiflorum (Horny Goat Weed)

Epimedium grandiflorum (large flowered barrenwort, bishop's hat) is a species of flowering plant in the family Berberidaceae, native to China, Japan and Korea.

Claimed newer and more-selective inhibitors are icariin, an active component of Epimedium grandiflorum, and possibly 4-Methylpiperazine and Pyrazolo Pyrimidin-7-1, components of the lichen Xanthoparmelia scabrosa.

For example, icariin has found to be an inhibitor contained in Epimedium grandiflorum Other inhibitors such as 4-Methylpiperazine and Pyrazolo Pyrimidin-7-1, are only speculated components of the lichen Xanthoparmelia scabrosa until this can be confirmed.