Reseda Luteola, or more commonly know as Weld, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Reseda. Its duration is biennial or bi-annual which means it can grow or bloom twice, in the first year and the following year. Reseda Luteola or Weld's floral region is North America US Lower 48, specifically in the states of California, Colorado, Connecticut, Delaware, Iowa, Illinois, Indiana, Massachusetts, Maryland, Missouri, New York, Ohio, Oregon, Pennsylvania, Rhode Island and Washington.
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