Lycium parishii
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Lycium parishii is a plant type from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).
description
Lycium parishii is a 1 to 3.5 m high, multi-branched shrub that is studded with spines . Its leaves are densely hairy and 3 to 12 mm long and 1 to 5 mm wide.
The flowers are hermaphroditic and five-fold. The calyx is bell-shaped and densely hairy. The calyx tube reaches a length of 2 to 3 mm, the calyx lobes are half as long to longer than the calyx tube. The crown is egg-shaped and colored pale lavender with darker markings. The corolla tube is 6 to 10 mm long and is covered with 2 to 3.5 mm long corolla lobes. The anthers are densely tomentose in the lower quarter of the free-standing area.
The fruit is an egg-shaped, red berry with a length of 4 to 7 mm and a width of 3 to 5 mm. It contains seven to 15 seeds .
The number of chromosomes is 2n = 24.
Occurrence
The species is widespread in North America , where it occurs in the Mexican states of Baja California , Coahuila , Nuevo León , San Luis Potosí and Sonora , as well as in the US states of Arizona and California .
Systematics
Internal system
Two varieties are distinguished within the species:
- Lycium parishii var. Parishii
- Lycium parishii var. Modestum (IMJohnst.) F.Chiang
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 texanum , Lycium torreyi , Lycium berlandieri , Lycium andersonii , Lycium elongatum , Lycium athium and Lycium minimum .
literature
- JS Miller and RA Levin: Lycium parishii . 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 parishii at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis