Eriosyce bulbocalyx

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Eriosyce bulbocalyx
Eriosyce bulbocalyx 02.jpg

Eriosyce bulbocalyx

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Notocacteae
Genre : Eriosyce
Type : Eriosyce bulbocalyx
Scientific name
Eriosyce bulbocalyx
( Werderm. ) Katt.

Eriosyce bulbocalyx is a species of plant in the genus Eriosyce from the cactus family(Cactaceae). Thespecific epithet bulbocalyx means' (Greek) bolbos = onion, calyx = bud, calyx; with onion-like calyx '.

description

Eriosyce bulbocalyx grows individually with glaucoma-green, spherical to elongated shoots and reaches heights of up to 20 centimeters with diameters of 8 to 12 centimeters. The roots are fibrous. There are about 13 blunt ribs that are notched. The gray, strong thorns are strongly curved upwards and up to 3 centimeters long. They can be divided into five to eight central spines and eight to twelve radial spines.

The funnel-shaped flowers are narrowed at their mouth. They appear from older areoles and are straw yellow with a reddish throat. The flowers are up to 2.5 centimeters long and 2 centimeters in diameter. Your pericarpel and the flower tube are covered with wool and occasionally bristles. The short, egg-shaped fruits tear open at a basal pore.

Distribution, systematics and endangerment

Eriosyce bulbocalyx is distributed in the Argentine provinces of La Rioja , San Juan and San Luis in the foothills of the Andes at altitudes of 500 to 1000 meters. It was first described as Echinocactus bulbocalyx in 1937 by Erich Werdermann . Fred Kattermann placed them in the genus Eriosyce in 1994 .

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered.

proof

literature

Individual evidence

  1. ^ Repertory Specierum Novarum Regni Vegetabilis. Sonderbeiheft C . Berlin-Dahlem 1937, p. 136.
  2. ^ Succulent Plant Research . Volume 1, David Hunt, Richmond 1994, p. 117.
  3. Eriosyce bulbocalyx in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Trevisson, M., Perea, M. & Demaio, P., 2010. Retrieved January 19, 2014.

Web links

Commons : Eriosyce bulbocalyx  - collection of images, videos and audio files