Lycium shockleyi
| Lycium shockleyi | ||||||||||||
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| Lycium shockleyi | ||||||||||||
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Lycium shockleyi is a plant type from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).
description
Lycium shockleyi is a low growing strongly with spines occupied shrub m is reached, the plant height of 0.3 to 0.6. The leaves are succulent and covered with glandular, stalked trichomes . They reach a length of 6 to 23 mm and a width of 2 to 4 mm.
The flowers are hermaphrodite and fourfold. The calyx is tubular and 4 to 10 mm long, it is covered with 1 to 5 mm long calyx lobes. The crown is ovate, white, greenish-white or pale purple in color. The corolla tube reaches a length of 8 to 14 mm, the corolla lobes are 2 to 3 mm long. The stamens are densely hairy in the lower third of the corolla tube. The ovary stands on a thickened red flower base , which does not enlarge on the fruit.
The fruit is a two-chambered berry that contains two to four seeds .
Occurrence
The species is widespread in North America and occurs there in the US states of Arizona , California and Nevada .
Systematics
Molecular biological studies place the species together with Lycium cooperi , Lycium macrodon , Lycium pallidum and Lycium puberulum in a clade that is a sister clade to the genus Grabowskia within the genus Lycium .
proof
Individual evidence
- ^ 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 shockleyi . In: Project Lycieae