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a prostrate undershrub; stems slender, pubescent, spreading from a stout woody stock, 1–1 1/2 ft. long; leaves short-petioled, 3-foliolate, segments obtuse or subacute, their margin coarsely toothed, central oblong or oblong-lanceolate, lateral unequally 2-fid, the outer segments the shorter, lobes 1/2–1 1/4 in. long, 1/3– 2/5 in. wide, more or less pubescent on the nerves on both surfaces, prominently reticulately veined beneath; petiole pubescent, 1/3 in. long; stipules ovate-lanceolate, spreading, pubescent, 1 1/2 lin. long; heads peduncled; peduncles slender, pubescent, 1/2–1 1/2 in. long; involucral bracts small, green, 1/2 in. long and broad, the upper 5-lobed, the lower 3-lobed, lobes acute, their margin entire, ciliate; male bracts entire; male calyx glabrous, lobes ovate, acute; female calyx-segments lanceolate; ovary hirsute; style columnar, cylindric, entire, dilated at the tip; fruit not seen. null