Aeonium glandulosum
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Aeonium glandulosum |
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| ( Aiton ) Webb & Berthel. |
Aeonium glandulosum is a species of the genus Aeonium in the thick-leaf family(Crassulaceae).
description
Vegetative characteristics
Aeonium glandulosum grows as a biennial to perennial , single or sometimes sprouting rosette plant . Its strong shoots are smooth. Their cup-shaped rosettes reach a diameter of 12 to 40 centimeters. The obovate to lanceolate, slightly downy-haired leaves are 6 to 11 inches long, 3 to 8 inches wide and 0.3 to 0.5 inches thick. They are pointed towards the point and have a small attached point. The base is wedge-shaped. The edge of the leaf is covered with teardrop-shaped eyelashes that are up to 0.6 millimeters long.
Generative characteristics
The inflorescence has a length of 8 to 25 centimeters and a width of 12 to 40 centimeters. The leafed inflorescence stalk is 2 to 10 centimeters long. The 8 to 13-fold flowers are on a 3 to 18 millimeter long, glandular, downy-haired peduncle . Their sepals are glandular-downy hairy. The pale yellow, lanceolate, pointed petals are 7 to 11 millimeters long and 3 to 4 millimeters wide. The stamens are bare.
Chromosome number
The number of chromosomes is 2n = 36.
Systematics and distribution
Aeonium glandulosum is distributed in the north of Madeira at heights of up to 1550 meters.
The first description as Sempervivum glandulosum by William Aiton was published in 1789. Philip Barker Webb and Sabin Berthelot put the species in the genus Aeonium in 1840 .
proof
literature
- Reto Nyffeler: Aeonium glandulosum . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 16 .
Individual evidence
- ↑ Aeonium glandulosum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ William Aiton: Hortus Kewensis, or, a catalog of the plants cultivated in the Royal Botanic Garden at Kew . Volume 2, 1789, p. 148 ( online )
- ↑ Philip Barker Webb, Sabin Berthelot: Histoire naturelle des îles Canaries . Volume 3, Part 2, Section 1, 1840, p. 185 ( online ).
