Comprehensive Description
(
anglais
)
fourni par North American Flora
Artemisia lindleyana Besser; Hook. Fl. Bor. Am. 1: 322 1833.
Arlemisia piimila Nutt. Trans. Am. Phil. Soc. II. 7: 399. 1841. Not .4. ptimila Link. 1822.
A perennial, suffruticose at the base, with a thick woody base; stem 1.5-4 dm. high, with erect branches, slightly tomentose; lower leaves 2-4 cm. long, oblanceolate in outline, with 3-7 short lanceolate lobes, more or less floccose, or in age glabrate above, white-tomentose beneath; upper leaves linear or linear-oblanceolate, usually entire; heads comparatively few in a lax, narrow, spike-like panicle; involucre campanulate, about 3 mm. high, nearly as broad; bracts 10-14, in about 3 series, more or less densely tomentose, the outer lanceolate, half as long as the innermost; inner bracts elliptic, obtuse; ray-flowers about 6; corollas 1.5 mm. long; disk-flowers 12-15; coroUas 2-2.5 mm. long.
Type locality: Northwest coast of America.
Distribution: ^Montana to Washington, northern California, Arizona, and western New Mexico.
- citation bibliographique
- Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY