29
Nov
2008
Aeonium arboreum - tree aeonium
Cactus and succulent plants | House Plant | Magnoliopsida

Scientific Name – Aeonium arboreum

Synonim – Sempervivum arboretum L.

Common name(s) – tree aeonium, tree houseleek, ensaiao, saiao, garchosilla, siemperviva mayor, kalluwa.

Distribution and Habitat – it is native to Morocco in northern Africa and the southern Mediterranean islands.

Description – subshrub, stem woody at base, are often branching. Leaves borne at the ends of the branches in rather flat rosettes, 10-25 cm diameter; leaves 5-15 x 1-4 cm, glossy, light green to yellow-green, long-spatulate, margined with fine white hairs, acuminate, bases cuneate. Inflorescences pyramidal panicles, 10-25 x 10-15 cm; peduncul 5-20 cm; pedicel 2-12 mm; flowers 9-11, bright yellow, sepals pubescent, petals 5-7 x 1.5-2 mm. Flowering in December-April. n = 18.

Growth rate – grow 2 m in its native habitat, though more like 30-90 cm in cool-temperates climates.

Tolerances –  tolerate summer water, but prefer to be on the dry side.

Requirements – prefer porous, well-drained soil.

Management

Propagation – by seeds, and cultivars by cuttings. Trim each cutting to 9 cm long and insert in a pot of gritty compost to root.

Pest and Diseases

Garden Partners – Agave celsii, Aloe striata, Kalanchoe sp., Senecio serpens.

Cultivars – ‘ Atropurpureum’ – cultivar with vegetative parts colored deep copper to dark purple in the summer. It needs full sun to attain the most color.

‘Luteovariegatum’ has green leaves with wide margins of light yellow.

‘Zwartkop’ has glossy leaves, dark purple, new growth is greener. Do fine in full sun, prefer partial shade, especially in areas that have harsh summers.

Properties and Uses

Curiosity

Bibliography

Daniel Guillot Ortiz, Emilio Laguna Lumbreras, Josep Antoni Rossellò Picornell – La familia Crassulaceae en la flora aloctona valenciana – CEDro, 2009

Umberto Quattrocchi – CRC World Dictionary of Plants Names – CRC Press, 1999

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