Aeonium arboreum var. arboreum

Treatment appears in FNA Volume 8. Treatment on page 168.
Shrubs rather open, 10[–20] dm, without prop roots. Stems branched, 10–40 mm thick, fleshy; bark nearly smooth. Leaves: rosettes dense, concave or flattish, 50–75-leaved, 1–2 dm diam.; blade shiny, bright green [purple-black], oblong-oblanceolate, 5–9(–15) cm, 1.5–3 mm thick, firm, marginal cilia spreading to ascending, wavy, surfaces glabrous. Cymes dense, conic to ovoid, 1–2+ dm, puberulent. Flowers rotate, 2 cm diam.; calyx puberulent; petals 9–11, spreading, bright yellow. 2n = [36,] 72.

Phenology: Flowering spring.
Habitat: Cliffs and banks near sea
Elevation: 0-100 m


V8 338-distribution-map.gif

Calif., Atlantic Islands (Canary Islands [Gran Canaria]), introduced also s Europe, n Africa (Mediterranean coast).


The tetraploid race of var. arboreum is widely grown in areas of Mediterranean climate, including California. Although widely naturalized in the Mediterranean region, it is only local in Los Angeles and San Diego counties, southern California, on the coast and about trash heaps and old gardens.

Selected References


Lower Taxa


AuthorReid V. Moran +
Authority(Linnaeus) Webb & Berthelot +
BasionymsSempervivum arboreum +
DistributionCalif. +, Atlantic Islands (Canary Islands [Gran Canaria]) +, introduced also s Europe + and n Africa (Mediterranean coast). +
Elevation0-100 m +
HabitatCliffs and banks near sea +
Illustration copyrightFlora of North America Association +
IllustratorYevonn Wilson-Ramsey +
Introducedtrue +
PhenologyFlowering spring. +
Publication titleHist. Nat. Îles Canaries +
ReferenceNone +
Source xml grained fna xml/V8/V8 338.xml +
Taxon familyCrassulaceae +
Taxon nameAeonium arboreum var. arboreum +
Taxon parentAeonium arboreum +
Taxon rankvariety +
VolumeVolume 8 +