California nut slice

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California nut slice
Californian nut slice (Torreya californica)

Californian nut slice ( Torreya californica )

Systematics
Subdivision : Seed plants (Spermatophytina)
Class : Coniferopsida
Order : Conifers (Coniferales)
Family : Yew family (Taxaceae)
Genre : Nut slices ( Torreya )
Type : California nut slice
Scientific name
Torreya californica
Torr.

The California Nutmeg ( Torreya californica ) is a plant from the genus of Torreya ( Torreya ) in the family of yew plants (Taxaceae).

description

Illustration from Lemaire
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Vegetative characteristics

The Californian nut wedge is an evergreen tree that reaches heights of 10 to 30 meters and a trunk diameter of up to 1 meter. The bark is gray-brown with fine cracks. The needles are 3 to 8 inches long and end in a sharp point.

Generative characteristics

The Californian nut slice is dioeciously segregated ( diocesan ). The male cone is whitish. The seed coat ( arillus ) is plum-like and green with purple stripes. The aril surrounds a large brown seed , both together are 2.5 to 3.5 centimeters long.

The number of chromosomes is 2n = 16.

Occurrence

This rare endemic thrives in running waters in the mountains, on sheltered slopes, damp canyons in the coastal mountains and the Sierra Nevada , at altitudes from 0 to 2000 meters in California .

Habitus

Systematics

The first description of Torreya californica was made in 1852 by John Torrey in the magazine New York Journal of Pharmacy , Volume 3, page 49. synonyms for Torreya californica Torr. are: Tumion californicum (Torr.) Greene , Torreya myristica Hook. The specific epithet californica refers to the origin from California.

swell

  • Christopher J. Earle: Torreya californica. In: The Gymnosperm Database. March 1, 2019, accessed May 3, 2019 .

Individual evidence

  1. ↑ a b c d e f Christopher J. Earle: Torreya californica. In: The Gymnosperm Database. March 1, 2019, accessed May 3, 2019 .
  2. ↑ a b Californian nut slice at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed May 3, 2019.

Web links

Commons : Californian nut slice ( Torreya californica )  - album with pictures, videos and audio files