What is "vancouveria"

Vancouveria is a small group of plants belonging to the barberry family described as a genus in 1834. The three plants in this genus are known generally as inside-out flowers, and they are endemic to the West Coast of the United States. The genus was named after George Vancouver, English navigator and explorer.

1. Vancouveria chrysantha Greene - golden inside-out flower - California ( Siskiyou + Del Norte Counties), Oregon ( Curry + Josephine Counties)
2. Vancouveria hexandra (Hook.) C.Morren & Decne. - white inside-out flower - northwestern California (from Napa to Siskiyou), western Oregon, southwestern Washington
3. Vancouveria planipetala Calloni - redwood inside-out flower - California as far south as Monterey County, southwestern Oregon