Aeonium aizoon
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| ( Bolle ) T.Mes |
Aeonium aizoon is a species of the genus Aeonium in the thick-leaf family(Crassulaceae).
description
Vegetative characteristics
Aeonium aizoon grows with many-headed, perennial rosettes that reach a diameter of 3 to 5 centimeters. These are rather flat and quite open during the dry season . The elongated, spatulate, green, densely glandular, downy-haired, sticky leaves are 2 to 3.5 inches long, 1 to 1.5 inches wide and 0.1 to 0.2 inches thick. They are trimmed towards the point and have an attached point. The base is broadly narrowed near the tip.
Generative characteristics
The flat-topped inflorescence has a length of 2 to 5 centimeters and a width of 4 to 10 centimeters. The densely leafed inflorescence stalk is 8 to 12 centimeters long. The 17 to 21-fold flowers are on a 1 to 3 millimeter long, downy-haired flower stalk . Their sepals are tomentose. The deep yellow, obovate, pointed petals are 6 to 7 millimeters long and 1 to 1.5 millimeters wide. The stamens are bare.
Systematics and distribution
Aeonium aizoon is common in Tenerife at altitudes of 600 to 1600 meters.
The first description as Greenovia aizoon by Carl August Bolle was published in 1859. Theodorus Hendrikus Maria Mes placed the species in the genus Aeonium in 1995 .
proof
literature
- Reto Nyffeler: Aeonium aizoon . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 13 .
Individual evidence
- ^ Bonplandia . Volume 7, 1859, p. 242 ( online ).
- ↑ In: Henk't Hart, Urs Eggli: Evolution and systematics of the Crassulaceae . Backhuis Publishers: Leiden 1995, ISBN 90-73348-46-3 , p. 41.