Comprehensive Description
provided by North American Flora
Sphaeromeria cana (D. C. Eaton) A. Heller, Muhlenbergia 1:7. 1900.
Tanacelum canum D. C. Eaton, in S. Wats. Bot. King's Expl. 179. 1871.
A low shrub, 2-6 dm. high ; branches silky-canescent when young ; leaves silvery-canescent, 1-5 cm. long, the lower pedalely 3-5-fid into oblanceolate divisions, the upper lanceolate or oblanceolate, undivided; heads several, corymbose; involucre hemispheric, 3 mm. high, 5-6 mm. broad; bracts 10-12, canescent, yellowish, elliptic to oljovate, obtuse; ray-flowers 4-8; corollas nearly 2 mm. long, cylindric, obscurely 3-4-lobed; lobes short-villous; disk-flowers 50-60; corollas camjjanulate, with a short tube, 2 mm. long, with short-villous lobes; achenes 1.5 mm. long, cylindric, 10-ribbed, truncate at the apex.
Type ixkality: East Hunilioldt Mountains, Nevada. Distribution: Nevada, eastern California, and Oregon.
- bibliographic citation
- Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY
