Rock Garden Plants
Helianthemum  nummularium ssp. obscurum (Čelak.) Holub   
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FamilyCISTACEAE
Genus species var.Helianthemum  nummularium ssp. obscurum (Čelak.) Holub 
SynonymsHelianthemum chamaecistus ssp. obscurum Čelak. (basionym)
 Helianthemum chamaecistus Mill.
 Helianthemum hyssopifolium Ten.
Territory Southwestern EuropeSoutheastern EuropeEastern EuropeWestern Asia
grassland and rocks
Description greenish, sparsely minutely hirsute, leaves ovate or oblong-linear, flat, stipules foliate, flowers in lax raceme, sepals sparsely hirsute
Size5-15cm
Coloryellow
Bloomlate spring, summer
Ca
Typesubshrub
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyTutin T.G.(ed.) Flora Europaea (1964-1980)
Med-Checklist ww2.bgbm.org/mcl
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý