Rock Garden Plants
Oreostemma  alpigenum var. haydenii (T.C.Porter) G.L.Nesom  trib. Astereae 
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FamilyASTERACEAE
Genus species var.Oreostemma  alpigenum var. haydenii (T.C.Porter) G.L.Nesom  trib. Astereae
SynonymsAster haydenii T.C.Porter (basionym)
 Aster alpigenus ssp. haydenii (T.C.Porter) Cronquist
 Oreostemma haydenii (T.C.Porter) Greene
Territory Northwestern U.S.A.Southwestern U.S.A.IdahoMontanaNevadaOregonWyoming
grassland and rocks
Altitude2600-3300m
Description basal leaves linear-oblanceolate to narrowly oblanceolate, 4-9cm long, acute, achenes strigose only distally
Size4-10cm
Colorbluish violet
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, 16-21°C
division in spring; cuttings in spring and late summer
BibliographyFlora of North America www.eFloras.org
Compositae Checklist compositae.landcareresearch.co.nz
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý