Rock Garden Plants
Arnica  viscosa A.Gray  trib. Heliantheae 
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FamilyASTERACEAE
Genus species var.Arnica  viscosa A.Gray  trib. Heliantheae
SynonymsChrysopsis shastensis Jeps.
 Raillardella paniculata Greene
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaColoradoOregon
rocky slopes
Altitude1700-2500m
Description densely glandular, stem leaves 5-10 pairs, sessile, 2-4cm, ovate-oblong, entire, capitula 15-20, discoid, involucre cylindrical, phyllaries acute, shortly hirsute
Size20-50cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
BibliographyFlora of North America www.eFloras.org
Compositae Checklist compositae.landcareresearch.co.nz
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý