Calycanthus occidentalis Hook. & Arn., Bot. Beechey Voy.: 340 (1839) (syn: Butneria occidentalis (Hook. & Arn.) Greene; Calycanthus macrophyllus K.Koch);
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N. & Central California as per POWO;
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Calycanthus occidentalis from California-GS30052023: 4 high res. images.
Calycanthus occidentalis Hook & Arn.
Shrub to small tree native to California with Beautiful about 5-6 cm across flowers,
licked from Mount Hermon, Santa Clara, California on May 28, 2023.
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References:
POWO Catalogue of Life
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=278792
https://landscapeplants.oregonstate.edu/plants/calycanthus-occidentalis
https://calscape.org/Calycanthus-occidentalis-(Spice-Bush)
https://en.wikipedia.org/wiki/Calycanthus_occidentalis