Lycium fuscum
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Lycium fuscum is a plant type from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).
description
Lycium fuscum is an upright shrub that grows 0.5 to 2 m tall . Its leaves are hairless, 2 to 25 mm long and 2 to 6 mm wide.
The flowers are hermaphrodite and fourfold. The calyx is bell-shaped and hairless. Its calyx tube is 1.5 to 2 mm long and is covered with about 0.5 mm long calyx lobes. The crown is tubular and yellow-green in color. The corolla tube reaches a length of 15 to 23 mm, the corolla lobes are 1.3 to 2 mm long. The stamens are tomentose on the lower 2 to 3 mm along the base.
The fruit is a red or orange, egg-shaped berry . It becomes 6 to 9 mm long and about 6 mm wide. Seven to twelve seeds are formed per carpel .
The number of chromosomes is 2n = 24.
Occurrence
The species is widespread in South America and occurs there in Argentina in the provinces of Catamarca , La Rioja , Mendoza and San Juan .
Systematics
Within the box thorn ( Lycium ), the species is grouped according to phylogenetic studies in a clade with other Argentine and Chilean species of the genus. However, these species are more closely related to an ancient clade than to a large clade to other species from the American continent. Closely related Argentine and Chilean species include Lycium ameghinoi , Lycium chanar , Lycium stenophyllum, and Lycium minutifolium .
literature
- JS Miller and RA Levin: Lycium fuscum . In: Project Lycieae
- Rachel A. Levin et al .: Evolutionary Relationships in Tribe Lycieae (Solanaceae). In: DM Spooner, L. Bohs, J. Giovannoni, RG Olmstead and D. Shibata (eds.): Solanaceae VI: Genomics meets biodiversity. Proceedings of the Sixth International Solanaceae Conference, ISHS Acta Horticulturae 745, June 2007. ISBN 978-90-6605-427-1 . Pp. 225-239
Individual evidence
- ^ Lycium fuscum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis