Lycium andersonii
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Lycium andersonii |
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| A.Gray |
Lycium andersonii is a plant type from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).
description
Lycium andersonii is a 0.5 to 3 m high, densely branched, with spines occupied shrub . Its leaves are succulent , hairless or densely covered with short trichomes . Their length is 3 to 35 mm, their width 1 to 8 mm.
The flowers are hermaphroditic, four or five-fold and ovoid. The calyx is cup-shaped, hairless or densely covered with short trichomes and about 1.5 to 3 mm long. The length of the calyx lobes corresponds to about 1/4 of the length of the calyx tube. The crown is white to pale purple in color, the length of the corolla tube is 4 to 16 mm, the corolla lobes attached to it are 1.5 to 2 mm long. The stamens are sparsely hairy or hairless at the base.
The fruit is an egg-shaped to elliptical, red or orange-red berry with a length of 3 to 9 mm. It contains a multitude of seeds .
The number of chromosomes is 2n = 24.
Occurrence
The species is distributed in North America and occurs there in the Mexican states of Baja California , Baja California Sur , Sinaloa and Sonora as well as in the US states of Arizona , California , Nevada and Utah .
Systematics
Internal system
Four varieties are distinguished within the species:
- Lycium andersonii var. Andersonii
- Lycium andersonii var. Deserticola (CLHitchc.) Jeps.
- Lycium andersonii var. Pubescens S. Watson
- Lycium andersonii var. Wrightii A. Gray
External system
Within the box thorn ( Lycium ) the species is grouped according to phylogenetic studies in a clade with other North and South American species of the genus. The species is closely related to Lycium americanum , Lycium infaustum , Lycium exsertum , Lycium Fremontii , Lycium parishii , Lycium texanum , Lycium torreyi , Lycium berlandieri , Lycium elongatum , Lycium athium and Lycium minimum .
literature
- JS Miller and RA Levin: Lycium andersonii . 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 andersonii at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
