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

Calif., Atlantic Islands (Canary Islands [Gran Canaria]), introduced also s Europe, n Africa (Mediterranean coast).
Discussion
The tetraploid race of </i>var.<i> 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.
References
None.
Lower Taxa
No lower taxa listed.
Facts about "Aeonium arboreum var. arboreum"
Author | Reid V. Moran + |
Authority | unknown + |
Basionyms | Sempervivum arboreum + |
Distribution | Calif. +, Atlantic Islands (Canary Islands [Gran Canaria]) +, introduced also s Europe + and n Africa (Mediterranean coast). + |
Elevation | 0-100 m + |
Habitat | Cliffs and banks near sea + |
Illustrator | Yevonn Wilson-Ramsey + |
Introduced | true + |
Phenology | Flowering spring. + |
Publication title | Hist. Nat. Îles Canaries + |
Reference | None + |
Source xml | https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V8/V8 338.xml + |
Taxon family | Crassulaceae + |
Taxon name | Aeonium arboreum var. arboreum + |
Taxon parent | Aeonium arboreum + |
Taxon rank | variety + |
Volume | Volume 8 + |