Rock Garden Plants
Helianthemum croceum (Desf.) Pers.  
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FamilyCISTACEAE
Genus speciesHelianthemum croceum (Desf.) Pers. 
SynonymsCistus croceus Desf.
 Helianthemum bicolor C.Presl
 Helianthemum clausonis Pomel
Habitatgrassland and thickets
Altitudemontane-subalpine
Descriptionleaves to 2cm long, linear to orbiculate, thick, usually grey tomentose, margins sometimes revolute, flowers to 2cm across; very variable
Size10-15cm
Colorbright yellow, orange
Bloomsummer
Ca
Typesubshrub
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Europe
     Southwestern Europe (France , Portugal , Sardegna )
     Southeastern Europe (Italy , Sicilia )
Africa
     Northern Africa (Algeria , Morocco , Tunisia)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

CISTACEAE

Helianthemum croceum (Desf.) Pers., Sp. Pl. [Persoon] 2(1): 79 (1806)

Basionym:
Cistus croceus Desf., Fl. Atlant. 1: 422 (1798)

montane-subalpine
=============================================================================
croceum typicum ined.

Synonyms:
Anthelis glaucus (Pers.) Raf.
Cistus scorpioides Desf. ex Steud.
Helianthemum apenninum croceum (Pers.) G.López
Helianthemum arcuatum C.Presl
Helianthemum bicolor C.Presl
Helianthemum clausonis Pomel
Helianthemum glaucum Pers.
Helianthemum nudicaule Dunal
Helianthemum perplexans Maire & Wilczek
Helianthemum sitifense Batt.
Helianthemum stabianum Ten.
Helianthemum stellatum Guss.

w. & c. Medit.
12 FRA POR SAR 13 ITA SIC 20 ALG MOR TUN

croceum suffruticosum (Boiss.) Sauvage ex Dobignard, J. Bot. Soc. Bot. France 46-47: 22 (2009)

Basionym:
Helianthemum glaucum suffruticosum Boiss.

Synonyms:
Helianthemum apenninum suffruticousm (Boiss.) G.López
Helianthemum estevei suffruticosum (Boiss.) Rivas Mart.

se. Spain, Morocco
12 SPA 20 MOR

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