Nebroden Sea Crabs

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Nebroden Sea Crabs
Nebroden sea puff (Ephedra major)

Nebroden sea puff ( Ephedra major )

Systematics
Subdivision : Seed plants (Spermatophytina)
Class : Coniferopsida
Order : Gnetales
Family : Sea shrub family (Ephedraceae)
Genre : Sea ravage ( ephedra )
Type : Nebroden Sea Crabs
Scientific name
Ephedra nebrodensis
Tineo

The Nebroden sea pigeon ( Ephedra major Host , Syn .: Ephedra nebrodensis Tineo ), also called Great sea pigeon , is a species of the genus of sea ​​pear ( ephedra ).

features

The Nebroden Meerträubel is a more or less tufted and heavily branched shrub that reaches heights of growth of up to 1 meter. The branches are green, horsetail-like, rough and not fragile. The leaves are reduced to overgrown scales at the nodes. They are up to 2 millimeters long, green when young and turn maroon with age. The stamens are located in the axils of the rounded bracts. They are combined into cones, which stand together in groups of 2 to 4 pairs. The anthers open at the top with pores. Female cones have 2 pairs of bracts. These usually surround the 2 seeds, which are ellipsoidal and fused together. At the time of fruiting, the bracts are fleshy and yellowish or red. They form a 7 millimeter long false fruit, which completely covers the seeds.

The number of chromosomes is 2n = 14.

Distribution and locations

The Nebroden sea pigeon occurs in the Mediterranean area, also on the Canary Islands and south to Mauritania. It grows on dry and calcareous sites, on rock corridors and on gypsum .

Taxonomy

Ephedra major Host has the following synonyms: Ephedra nebrodensis Tineo , Ephedra graeca C.A.Mey. , Ephedra equisetiformis Webb & Berthel. , Ephedra vulgaris Willk. and Ephedra villarsii Gren. & Godr.

literature

  • Ehrentraud Bayer, Karl-Peter Buttler , Xaver Finkenzeller, Jürke Grau: Plants of the Mediterranean (The Colored Nature Guide). Mosaik Verlag GmbH, Munich 1986.

Individual evidence

  1. ^ Tropicos. [1]
  2. a b Rafaël Govaerts (Ed.): Ephedra. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 4, 2019.