Comprehensive Description
provided by North American Flora
Eriophyllum achillaeoides (DC.) Greene, Man. Bay Reg
207. 1894.
Bahia achillaeoides DC. Prodr. 5: 657. 1836.
Bahia lanata achillaeoides A. Gray, Bot. Calif. 1: 381. 1876.
Eriophyllum caespitosum achillaeoides A. Gray, Proc. Am. Acad. 19: 26. 1883.
A perennial, with a cespitose suffruticose base; stems 3-4 dm. high, tomentose, decumbent at the base, corymbosely branched above; individual peduncles short, 1-3 cm., rarely 4-5 cm., long; leaves ovate in outline, 1-3 cm. long, bipinnatifid with short acute divisions, densely white-tomentose beneath, floccose and glabrate above, with revolute margins; involucre hemispheric, 6-7 mm. high, 8-10 mm. broad; bracts about 15, acute; ray-flowers as many; ligules bright-yellow, 6-7 mm. long, 3 mm. wide; disk-corollas 3 mm. long, densely glandularhispid throughout; tube shorter than the throat; achenes 3 mm. long, more or less hirsutulous; squamellae ovate, unequal, 0.3-0.6 mm. long.
Type locality: California.
Distribution: Coast Ranges, California, from San Francisco northward.
- bibliographic citation
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
