Echinopsis densispina

Echinopsis densispina
	Echinopsis densispina
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Echinopsis
Type :	Echinopsis densispina
Scientific name
	Echinopsis densispina
	Werderm.

Echinopsis densispina is a species of the genus Echinopsis in the cactus family(Cactaceae). The specific epithet densispina is derived from the Latin words densus for 'dense' and -spinus for 'thorny'.

description

Echinopsis densispina grows individually. The egg-shaped, gray-green to dark-green shoots reach heights of up to 8 centimeters with a diameter of 5.5 centimeters. There are about 17 notched ribs divided into cusps. The yellowish white areoles on them are sometimes sunk and are up to 0.5 centimeters apart. The four to seven light to dark brown central spines are pointed darker. They are straight to slightly curved and thickened at their base. The central spines are either 1.5 to 2 inches long or much shorter and inconspicuous. The 16 to 22 whitish, bristle-like, bendable radial spines are spread out and have a length of 0.6 to 0.8 centimeters.

The short and wide funnel-shaped, yellow to orange flowers are up to 8.5 centimeters long.

Distribution, systematics and endangerment

Echinopsis densispina is widespread in the Argentine province of Jujuy at altitudes of 1500 to 3000 meters.

The first description by Erich Werdermann was published in 1934.

Nomenclatory synonyms are Lobivia densispina (Werderm.) Backeb. (1936), Hymenorebutia densispina (Werderm.) Buining (1939), Salpingolobivia densispina (Werderm.) Y.Itô (1957), Lobivia famatimensis var. Densispina (Werderm.) Backeb. (1959), Lobivia haematantha var. Densispina (Werderm.) Rausch (1976) and Lobivia haematantha subsp. densispina (Werderm.) Rausch ex GDRowley (1982). In addition, numerous other taxa were synonymous with the species.

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. 227 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 64.
↑ Erich Werdermann: Three new Lobivia from Argentina . In: Kakteenkunde Volume 8, Number 8, 1934, pp. 142-143.
↑ Echinopsis densispina in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved February 28, 2014.

Web links

Commons : Echinopsis densispina - collection of images, videos and audio files

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 64.

[2] Erich Werdermann: Three new Lobivia from Argentina . In: Kakteenkunde Volume 8, Number 8, 1934, pp. 142-143.

[3] Echinopsis densispina in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved February 28, 2014.