Rock Garden Plants
Arnica  unalaschcensis Less.  trib. Heliantheae 
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FamilyASTERACEAE
Genus species var.Arnica  unalaschcensis Less.  trib. Heliantheae
SynonymsArnica obtusifolia Less.
Territory Russian Far EastEastern AsiaSubarctic AmericaAleutian Is.AlaskaJapan, (HokkaidoHonshu)KamchatkaKuril Is.Sakhalin
rocky slopes
Altitude0-1500m
Description lower stem leaves usually opposite, spathulate, 6-12cm, obtuse, petiolate, sparsely dentate, strigose, middle stem leaves ovate-lanceolate, sessile, capitula 4-6cm, solitary
Size10-30cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
BibliographyFlora of Japan www.biodiversitylibrary.org
Compositae Checklist compositae.landcareresearch.co.nz
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý