Lycium californicum
| Lycium californicum | ||||||||||||
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| Lycium californicum | ||||||||||||
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Lycium californicum is a plant type from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).
description
Lycium californicum is a 0.1 to 2 m high, confused, branched, prostrate or creeping shrub . Its leaves are succulent , 2 to 25 mm long and 1 to 3 mm wide.
The flowers appear in two forms and are fourfold. The calyx is bell-shaped and hairy downy. The length of the calyx tube is 2 to 2.5 mm, the calyx lobes are about 1/3 as long as the calyx tube. The crown is white to pale purple in color. The corolla tube is 2 to 4.5 mm long, the corolla lobes are about the same length or only slightly shorter.
The fruit is an egg-shaped, orange-red or red berry . Each carpel forms only a single seed .
The number of chromosomes is 2n = 24, 36 or 48.
Occurrence
The species is common in North America and occurs there in the Mexican states of Baja California , Baja California Sur , Coahuila , Sinaloa , Zacatecas , Sonora and San Luis Potosí , as well as in the American states of Arizona and California .
Systematics
Internal system
Four varieties are distinguished within the species:
- Lycium californicum var. Californicum
- Lycium californicum var. Arizonicum A. Gray
- Lycium californicum var. Carinatum
- Lycium californicum var. Interior F.Chiang
External system
Molecular biological investigations place the species together with Lycium nodosum and Lycium vimineum in a clearly supported clade , Lycium californicum forms a sister clade to the other two species.
proof
Individual evidence
- ^ Lycium californicum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ Rachel A. Levin and Jill S. Miller: Relationships within Tribe Lycieae (Solanaceae): Paraphyly of Lycium and multiple Origins of Gender Dimorphism . In: American Journal of Botany , Volume 92, Number 12, 2005. pp. 2044-2053.
- ^ 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 978-9066054271
Main evidence
- JS Miller and RA Levin: Lycium californicum . In: Project Lycieae