Aeonium haworthii
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Aeonium haworthii |
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| Salm-Dyck ex Webb & Berthel. |
Aeonium haworthii is a species of the genus Aeonium in the thick-leaf family(Crassulaceae).
description
Vegetative characteristics
Aeonium haworthii grows as a perennial , densely branched small shrub and reaches stature heights of up to 60 centimeters. The almost bare, somewhat net-like patterned, ascending or hanging, winding shoots have a diameter of 3 to 6 millimeters. Their rather flat rosettes reach a diameter of 6 to 11 centimeters. The inner leaves are more or less upright. The obovate, green or yellowish green, often very bluish, almost bare leaves are 3 to 5.5 inches long, 1.5 to 3 inches wide and 0.25 to 0.4 inches thick. Towards the point they are pointed and tailed. The base is wedge-shaped. The edge of the leaf is covered with curved eyelashes that are 0.4 to 0.8 millimeters long. The leaves are often reddish variegated along the edge .
Generative characteristics
The loose, hemispherical inflorescence has a length of 6 to 16 centimeters and a width of 6 to 16 centimeters. The inflorescence stalk is 1 to 9 inches long. The seven to nine-fold flowers are on a 2 to 12 millimeter long, bare flower stalk . Their sepals are bare. The pale yellow to whitish, pink variegated, lanceolate, pointed petals are 7 to 9 millimeters long and 1.2 to 1.8 millimeters wide. The stamens are almost bald to sparsely fuzzy haired.
Chromosome number
The number of chromosomes is 2n = 72.
Systematics and distribution
Aeonium haworthii is distributed in the north of Tenerife at heights of up to 1000 meters.
The first description by Philip Barker Webb and Sabin Berthelot was published in 1840.
proof
literature
- Reto Nyffeler: Aeonium haworthii . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 17 .
Individual evidence
- ↑ Aeonium hawaorthii at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ Philip Barker Webb, Sabin Berthelot: Histoire naturelle des îles Canaries . Volume 3, Part 2, Section 1, 1840, p. 193 ( online ).
