Aeonium arboreum

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Aeonium arboreum
Aeonium arboreum - Jardín Botánico Canario Viera y Clavijo - Gran Canaria - 01.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Aeonium
Species: A. arboreum
Binomial name
Aeonium arboreum
(L.) Webb & Berthel.
  • Aeonium doramae Webb ex A.Berger nom. inval.
  • Aeonium doremae Webb ex Christ
  • Aeonium holochrysum Webb & Berthel.
  • Aeonium manriqueorum Bolle
  • Aeonium rubrolineatum Svent.
  • Aeonium vestitum Svent.
  • Sempervivum arboreum L.
  • Sempervivum urbicum Lindl. nom. illeg.
Aeonium arboreum 'Atropurpureum'
Aeonium arboreum 'Zwartkop'

Aeonium arboreum, the tree aeonium,[2] tree houseleek, or Irish rose, is a succulent, subtropical subshrub in the flowering plant family Crassulaceae. It is native to the hillsides of the Canary Islands, where it is known as bejeque arboreo and introduced in the Mediterranean[3] It bears rosettes of leaves and large pyramidal panicles of bright yellow flowers in the spring. In temperate regions it needs to be grown under glass.[4] The purple cultivar 'Zwartkop' ('Schwartzkopf') has gained the Royal Horticultural Society's Award of Garden Merit.[5] and a variegated form is grown as cultivar 'variegatum'.


The following variety names are accepted.[1]

  • Aeonium arboreum var. arboreum
  • Aeonium arboreum var. holochrysum H.Y.Liu
  • Aeonium arboreum var. rubrolineatum (Svent.) H.Y.Liu


  1. ^ a b The Plant List: A Working List of All Plant Species, retrieved 30 July 2016 
  2. ^ "BSBI List 2007" (xls). Botanical Society of Britain and Ireland. Archived from the original on 2015-01-25. Retrieved 2014-10-17. 
  3. ^ "International Crassulaceae Network: Aeonium arboreum". International Crassulaceae Network. Retrieved 19 February 2017. 
  4. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964. 
  5. ^ Aeonium 'Zwartkop' AGM. Royal Horticultural Society