Citation: Webb & Berth., Phyt. Canar. 1:184 (1840).

Synonymy: Not Applicable

Common name: None

Description:
Perennial shrubs, soft-wooded but branches often very tough; leaves alternate, borne in terminal rosettes.

Inflorescence a thyrse usually with many monochasial branches; peduncle more or less scape-like with leaves usually abruptly shortened and widely spaced below the inflorescence; flowers 8-11-merous; sepals connate, fleshy; petals scarcely connate to one another and the base of the filaments, spreading; stamens in 2 whorls of often unequal length.

Carpels free, each with numerous ovules; seeds with the vertical ridges usually tuberculate.

Distribution:  About 40 species mainly from the Canary and Atlantic islands as well as the western Mediterranean region.

Biology: No text

Key to Species:

1. Stem below the dense leaf rosette 1-1.5 cm diam.; flowers yellow, 9-11-merous	A. arboreum 1.
1. Stems below the loose leaf rosette up to 0.6 cm diam.; flowers off-white often tinged green, 8-merous	A. castello-paivae 2.

Author: Not yet available