Birdfoot Sagebrush

Artemisia pedatifida Nutt. Trans. Am. Phil. Soc. II. 7: 399 1841.
A cespitose undershrub, with a thick woody caudex, 1-1.5 cm. high; branches erect, finely canescent; leaves 1-2 cm. long, ternately or the lower sometimes bi-lemately divided into linear to linear-spatulate short divisions, strigose-canesccnt ; those of the inflorescence often entire; heads racemose, short-peduncled or subsessile, erect, heterogamous; peduncles 0-10 mm. long; involucre hemispheric, 2.5 mm. high, 3-4 mm. broad; bracts 5-7, in 2-3 series, rounded-oval, obtuse, densely canescent; ray-flowers 5-7; corollas 2 mm. long; achenes nearly 2 mm. long; disk-flowers 5-7; corollas rose-purple at the summit, narrowly funnelform, 3.5 mm. long; style tapering gradually from the 2-cIeft summit.
TvpR locality: Arid plains of Lewis River [.Snake River, Idaho]. Distbbiution: Wyoming, Montana, and Idaho. Heads heterogamous. Marginal flowers pistillate; corollas subcylindric, 2-3-toothcd, tapering upwards. Di.sk-flowers hermaphrodite, fertile; corolla deeply campanulate or elongate-funnelform, 5-toothcd. Style in both 2-clcft, in the ray-flowers usually decidedly exserted, in the disk-flowers included to barely exserted; branches in the ray-flowers elongatefiliform, spreading; in the disk-flowers recurved and truncate at the apex, with an erose or penicillate apex. Receptacle woolly.