Caltha Leptosepala, or more commonly know as White Marsh Marigold, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and white flowers of the genus Caltha. It has a moderate growth rate and a height of 1 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during late spring and is intolerant of shade. Caltha Leptosepala or White Marsh Marigold's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington and Wyoming.
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