Giant Purple Trillium
Trillium kurabayashii J.D.Freeman

Trillium kurabayashii is a flowering plant species in the Melanthiaceae family, native to extreme southwestern Oregon, northwestern California, and the Sierra Nevada of northern California. It was first described by John Daniel Freeman in 1975. The specific epithet honors Masataka Kurabayashi, a Japanese cytologist and population geneticist who first proposed the taxon’s existence. Commonly known as the Giant Purple Trillium, it is noted for its large, dark purple-red flower, one of the largest among sessile-flowered trilliums.
Description
Trillium kurabayashii is a member of the Melanthiaceae family and is native to the western United States. Its range includes extreme southwestern Oregon, northwestern California, and the Sierra Nevada of northern California. The species was formally described by John Daniel Freeman in 1975. The name honors Masataka Kurabayashi, a Japanese cytologist and population geneticist who first recognized the taxon. Known as the Giant Purple Trillium, the plant is distinguished by its large, dark purple-red flower, which is among the largest in sessile-flowered trilliums.
Other common names
Giant Purple TrilliumGiant Purple Wakerobin
Distribution
Global · California · Oregon
Synonyms
Trillium kurabayashii f. luteum