Delphinium glaucum is a species of "tall" larkspur known by the common names Sierra larkspur, mountain larkspur, and glaucous larkspur. Although Ewan, in his survey of North American Delphiniums, treated D. glaucum and D. brownii as two separate species, some taxonomists now seem inclined to treat D. brownii as a local form of D. glaucum. However, the matter does not yet appear to be completely resolved. This wildflower is native to western North America from Arizona to Alaska. It grows in moist mountainous environments, such as riverbanks and meadows. This plant sprouts one to several tall, stout, pale green erect stems which may approach three meters in height. The lobed leaves are generally found only at the base of the plant. The top of the stem is a large inflorescence which may itsel