Echinopsis tacaquirensis

Echinopsis tacaquirensis
	Echinopsis tacaquirensis
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Echinopsis
Type :	Echinopsis tacaquirensis
Scientific name
	Echinopsis tacaquirensis
	( Vaupel ) H.Friedrich & GDRowley

Echinopsis tacaquirensis is a species of the genus Echinopsis in the cactus family(Cactaceae). The specific epithet tacaquirensis refers to the occurrence of the species near Tacaquira in the Bolivian department of Chuquisaca .

description

Echinopsis tacaquirensis has a shrubby growth , branching from the base with crowded, rising branches and reaches heights of up to 2.5 meters. The robust, cylindrical, dark green shoots reach a diameter of up to 15 centimeters. There are up to nine ribs that are up to 2 centimeters high. The large areoles on them are white and up to 1.5 centimeters apart. Occasionally, the spines arising from them cannot be clearly differentiated into central spines and radial spines. The predominantly radiating, white to pink to blackish thorns are bristly to needle-like and sometimes interlock. They have a length of 1 by 6 centimeters.

The funnel-shaped flowers are white to pale pink and up to 23 centimeters long. Your flower tube is hairy brown. The dark green fruits have a diameter of up to 4 centimeters.

Distribution, systematics and endangerment

Echinopsis tacaquirensis is distributed in the south of Bolivia at altitudes of 2000 to 3500 meters.

The first description as Cereus tacaquirensis by Friedrich Vaupel was published in 1916. Heimo Friedrich and Gordon Douglas Rowley placed the species in 1974 in the genus Echinopsis .

Another nomenclature synonym is Trichocereus tacaquirensis (Vaupel) Cärdenas (1953).

Subspecies

Echinopsis tacaquirensis subsp. tacaquirensis
Echinopsis tacaquirensis subsp. taquimbalensis (Cárdenas) G. Navarro

Echinopsis tacaquirensis subsp. tacaquirensis
The subspecies is common in the Bolivian departments of Chuquisaca , Potosí and Tarija in middle and higher altitudes of 2300 to 3200 meters. Their thorns are not easy to distinguish between central and radial spines.

Echinopsis tacaquirensis subsp. taquimbalensis
The first description as Trichocereus taquimbalensis by Martín Cárdenas was published in 1953. Gonzalo Navarro introduced the species as a subspecies to Echinopsis tarijensis in 1995 . Echinopsis tacaquirensis subsp. taquimbalensis is widespread in the Bolivian department of Cochabamba on dry slopes at altitudes of 2800 to 3100 meters. Their thorns are easily distinguishable into central spines and radial spines.

Another nomenclature synonym is Echinopsis taquimbalensis (Cärdenas) H. Friedrich & GDRowley (1974). In addition, the following taxa were included as synonymous in the subspecies: Trichocereus taquimbalensis var. Wilkeae Backeb. (1957) and Echinopsis taquimbalensis var. Wilkeae (Backeb.) H. Friedrich & GDRowley (1974).

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

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 245 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 235.

↑ F. Vaupel: New South American cacti: In: Monthly magazine for cacti . Volume 26, Number 8, 1916, pp. 123-124 ( online ).

^ Gordon Douglas Rowley: Reunion of the genus Echinopsis . In: IOS Bulletin. Journal of the International Organization for Succulent Plant Study . Volume 3, Number 3, 1974, p. 98.

↑ Martin Cardenas : Notas Cactologicas de Bolivia dos Trichocereus nuevos . In Revista de Agricultura . Volume 11, Number 8, 1953, p. 16.

↑ Gonzalo Navarro: Catálago ecológico preliminar de las cactáceas de Bolivia . In: Lazaroa . Volume 17, 1996, p. 55 ( online ).

↑ Echinopsis tacaquirensis in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved March 2, 2014.

Web links

Commons : Echinopsis tacaquirensis - Collection of images, videos and audio files

Photos of Echinopsis taquimbalensis

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 235.

[2] F. Vaupel: New South American cacti: In: Monthly magazine for cacti . Volume 26, Number 8, 1916, pp. 123-124 ( online ).

[3] Gordon Douglas Rowley: Reunion of the genus Echinopsis . In: IOS Bulletin. Journal of the International Organization for Succulent Plant Study . Volume 3, Number 3, 1974, p. 98.