Echinopsis quadratiumbonata

Echinopsis quadratiumbonata
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Echinopsis
Type :	Echinopsis quadratiumbonata
Scientific name
	Echinopsis quadratiumbonata
	( F.Ritter ) DRHunt

Echinopsis quadratiumbonata is a species of the genus Echinopsis in the cactus family(Cactaceae). The specific epithet quadratiumbonata is derived from the Latin words quadratus for 'four-sided' and umbonatus for 'navel-like' and refers to the almost rectangular, humped ribs of the species.

description

Echinopsis quadratiumbonata grows shrubby with several upright branches appearing from the base and reaches heights of growth of up to 1 meter. The cylindrical, green shoots reach a diameter of 4 to 5 centimeters. There are nine to twelve ribs that are furrowed across. The circular areoles on them are brown and are about 1 centimeter apart. From them arise white, needle-like thorns that have a brown tip. The usually single, strong, protruding central spine is 1 to 4 centimeters long. The seven to ten radial spines have a length of 0.4 to 1 centimeter.

The long funnel-shaped, white flowers open at night, but not very far. The dark green fruits are up to 3.5 centimeters long and have the same diameter.

Distribution, systematics and endangerment

Echinopsis quadratiumbonata is distributed in the Bolivian departments of Chuquisaca and Santa Cruz in middle altitudes of 1000 to 1900 meters.

The first description as Trichocereus quadratiumbonatus by Friedrich Ritter was published in 1980. David Richard Hunt placed the species in 1997 in the genus Echinopsis .

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. 241 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 197.
↑ Friedrich Ritter: Cacti in South America. Results of my 20 years of field research . Volume 2: Argentina / Bolivia. Friedrich Ritter Selbstverlag, Spangenberg 1980, p. 566.
↑ Cactaceae Consensus Initiatives . Number 4, 1997, p. 5.
↑ Echinopsis quadratiumbonata in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved March 2, 2014.

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 197.

[2] Friedrich Ritter: Cacti in South America. Results of my 20 years of field research . Volume 2: Argentina / Bolivia. Friedrich Ritter Selbstverlag, Spangenberg 1980, p. 566.

[3] Cactaceae Consensus Initiatives . Number 4, 1997, p. 5.

[4] Echinopsis quadratiumbonata in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved March 2, 2014.