Aeonium arboreum

Aeonium arboreum
Aeonium arboreum 'Atropurpureum'
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.
Synonyms[1]
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 'Zwartkop'

Aeonium arboreum, the tree aeonium,^[2] tree houseleek, or Irish rose, is a succulent, subtropical subshrub of the genus Aeonium. It is native to the hillsides of the Canary Islands. 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.^[3] The purple cultivar 'Zwartkop' ('Schwartzkopf') has gained the Royal Horticultural Society's Award of Garden Merit.^[4] and a variegated form is grown as cultivar 'variegatum'.

Varieties

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

Notes

1. 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 2015-02-25. Retrieved 2014-10-17.
3. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
4. Aeonium 'Zwartkop' AGM. Royal Horticultural Society

References

• "Aeonium arboreum". Integrated Taxonomic Information System. Retrieved September 25, 2006.
• House tree-leek. Retrieved February 7, 2011.