Prince's Plume (Stanleya pinnata).
This is a common obligate selenium accumulator that is a coarse herbaceous perennial ranging from 1.5 to 5 ft (0.5-1.5 m) in height. The stems are stout, mostly unbranched. The leaves are entire to pinnately compound, 1.5 to 6 inches (4 to 15 cm) long. The petals are yellow, have long claws and are arranged in plume-like inflorescences. The fruit is slender, nearly round in cross section, with a stripe from 0.4 to 1.2 inches (1 to 3 cm) long.
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