Rock Garden Plants
Helianthemum canum (L.) Hornem.  
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FamilyCISTACEAE
Genus speciesHelianthemum canum (L.) Hornem. 
SynonymsCistus canus L.
 Helianthemum montanum Vis.
 Helianthemum obovatum Dunal
Habitatthickets and steppes
Descriptionleaves linear, elliptic to ovate, abaxially grey pubescent, green or white tomentose adaxially, 1-3cm long, flowers 8-16mm across, 5 or more, in cyme
Size10-25cm
Coloryellow
Bloomlate spring, summer
Ca
Typesubshrub, carpet
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Europe
     Northern Europe (Great Britain , Ireland , Sweden )
     Middle Europe (Austria , Czechoslovakia , Germany , Hungary , Poland , Switzerland )
     Southwestern Europe (France , Spain )
     Southeastern Europe (Albania , Bulgaria , Greece , Italy , Romania , Sicilia , Turkey-in-Europe , Yugoslavia )
     Eastern Europe (Ukraine )
Africa
     Northern Africa (Morocco )
Asia-Temperate
     Western Asia (Turkey)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Picture
Comments

CISTACEAE

Helianthemum canum (L.) Hornem., Hort. Bot. Hafn. 2: 496 (1815)

Basionym:
Cistus canus L., Sp. Pl. 1: 525 (1753)

Synonyms:
Rhodax canus (L.) Fuss

Cistus indicus L.
Cistus vinealis Willd.
Helianthemum canum balcanicum (Janch.) Blecic
Helianthemum canum cantabricum (Font Quer & Rothm.) Rivas Mart.
Helianthemum canum ciscaucasicum (Juz. & Pozdeeva) P.A.Schmidt
Helianthemum canum incanum (Willk.) Rivas Mart.
Helianthemum ciscaucasicum Juz. & Pozdeeva
Helianthemum dichroum Kunze
Helianthemum marifolium dichroum (Kunze) O.Bolós & Vigo
Helianthemum montanum Vis.
Helianthemum obovatum Dunal
Helianthemum oelandicum incanum (Willk.) G.López
Helianthemum vineale (Willd.) Pers.
Rhodax dichrous (Kunze) Holub
Rhodax montanus (Vis.) Spach
Rhodax vinealis (Willd.) Fuss

Europe, Morocco, Turkey
10 GRB IRE SWE 11 AUT CZE GER HUN POL SWI 12 FRA SPA 13 ALB BUL GRC ITA ROM SIC TUE YUG 14 UKR 20 MOR 34 TUR

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