It is a perennial herb that has a slender and reddish upright stem that is branched at the top, reaching a height of 18 inches (0.5 meters). The green arrow-shaped leaves are small, slightly longer than 1 inch (3 cm), and smooth with a pair of horizontal lobes at the base arise from red-tinted deeply ridged stems. It sprouts from an aggressive and spreading rhizome. The flowers emerge from the tall, upright stem. Female flowers are maroon in color, which develop into the red fruits (achenes), while the male flowers are yellowish-green. The genders develop on separate plants.

Santa Catalina Mountains.
Marshall Gulch
Location: At upper stone bridge crossing creek by access road.
7/26/15

Notes: Turkey Run 6/1/17 Male plant.

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