Publication: Bot. Beechey Voy. 340, plate 84. 1841.
Origin:
selected vouchers: WS
Notes: The report from Klickitat County is based on a cultivated specimen collected by Suksdorf from his garden at Bingen (voucher at WS). The report from Seattle (FNA3) is based a garden escapee (Frank Callahan, pers. comm.)
According to FNA3, "Calycanthus occidentalis grows in the northern Coast Range, the southern Cascades Range, and the western Sierra Nevada." It occurs only as far north as Jackson County, Oregon (voucher at OSC).
References: (none)