Lycium ameghinoi

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Lycium ameghinoi
Systematics
Asterids
Euasterids I
Order : Nightshade (Solanales)
Family : Nightshade family (Solanaceae)
Genre : Box thorn ( Lycium )
Type : Lycium ameghinoi
Scientific name
Lycium ameghinoi
Speg.

Ameghinoi Lycium a plant is art from the genus of Lycium ( Lycium ) in the family of the nightshade family (Solanaceae).

description

Lycium ameghinoi is an upright, 1 to 2.5 m high shrub . Its leaves are succulent and hairless. They are 1 to 10 mm long and 1 to 2.2 mm wide.

The flowers are fourfold and hermaphroditic. The calyx is tubular and hairless. The calyx tube has a length of 1.5 to 3 mm and is covered with 0.5 to 1.5 mm long calyx lobes. The corolla tube is tubular and colored whitish, whitish-green or yellow-green. The corolla tube is 4.5 to 6 mm long, the calyx lobes 1 to 2 mm. The stamens are hairy tomentose at the base.

The fruit is an orange or red, spherical berry with a length of 4 to 5 mm and a width of 3 to 4 mm.

The number of chromosomes is 2n = 24.

Occurrence

The species is widespread in South America and occurs there in Argentina in the provinces of Chubut , Neuquén , Réo Negro and Santa Cruz .

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 chanar , Lycium fuscum , Lycium stenophyllum, and Lycium minutifolium .

literature

  • JS Miller and RA Levin: Lycium ameghinoi . 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

  1. ^ Lycium ameghinoi at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis