Streptanthus Callistus, or more commonly know as Mt. Hamilton Jewelflower, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Streptanthus. Its duration is annual which means it grows for one season only. Streptanthus Callistus or Mt. Hamilton Jewelflower's floral region is North America US Lower 48, specifically in the state of California.
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