Rock Garden Plants
Helianthemum violaceum (Cav.) Pers.  
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FamilyCISTACEAE
Genus speciesHelianthemum violaceum (Cav.) Pers. 
SynonymsCistus violaceus Cav.
Habitatgrassland and thickets
Descriptionbranchlets white tomentose, leaves linear to narrowly oblong, 1-2cm long, more or less revolute and pubescent, abaxially grey, adaxially green, flowers 2cm across in cyme
Size20-30cm
Colorwhite with yellow center
Bloomlate spring, summer
Ca+
Typeerect shrub
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 , Spain )
     Southeastern Europe (Italy )
Africa
     Northern Africa
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

CISTACEAE

Helianthemum violaceum (Cav.) Pers., Syn. Pl. [Persoon] 2(1): 78 (1806)

Basionym:
Cistus violaceus Cav., Icon. 2: 38 (1793)

Synonyms:
Helianthemum apenninum violaceum (Cav.) O.Bolós & Vigo
Helianthemum pilosum violaceum (Cav.) Boda & Rivas Mart.
Helianthemum violaceum (Cav.) Pau
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violaceum typicum ined.

Synonyms:
Helianthemum pilosum pseudoasperum Molero & Rovira

s. Europe
12 FRA POR SPA 13 ITA

violaceum subobtusatum (Maire) I.Soriano, Lagascalia 18(2): 240 (1996)

Basionym:
Helianthemum pilosum subobtusatum Maire, Bull. Soc. Hist. Nat. Afrique N. 24: 201 (1933)

Synonyms:
Helianthemum pilosum carneum Raynaud

Algeria, nc. Morocco
20 ALG MOR

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