Trillium erectum f. nigrescens - orchidroots .

Trillium erectum f. nigrescens (synonym of Trillium erectum var. erectum)

Trillium erectum f. nigrescens, Louis-Marie 1940 (Kew)

Trillium erectum f. nigrescens is a species in the Trillium genus. This name is a synonym of Trillium erectum var. erectum
No image available. Please try the accepted species erectum var. erectum