Arthrocereus spinosissimus

Arthrocereus spinosissimus
	Arthrocereus spinosissimus
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Arthrocereus
Type :	Arthrocereus spinosissimus
Scientific name
	Arthrocereus spinosissimus
	( Buining & Brederoo ) F. Knight

Arthrocereus spinosissimus is a species of plant in the genus Arthrocereus from the cactus family(Cactaceae). The specific epithet spinosissimus is derived from the superlative of the Latin adjective spinosus for 'thorny'.

description

Arthrocereus spinosissimus grows upright with basal branching stems . The up to one meter long, green to bright green shoots reach a diameter of 5 to 6 centimeters. The 16 (or more) ribs are 4 to 5 millimeters high. Numerous, thin, yellowish thorns arise from the closely spaced areoles . There are 6 to 8 central spines, which can normally reach 2 to 2.8 centimeters, occasionally also up to 4.5 centimeters in length, as well as about 20 radial spines 0.7 to 0.8 centimeters in length.

The white flowers are between 6 and 7 centimeters long , the fruits between 2.5 and 3 centimeters long.

Distribution, systematics and endangerment

Arthrocereus spinosissimus is distributed in the Brazilian state of Mato Grosso at altitudes of 800 to 900 meters.

The first description as Eriocereus spinosissimus by Albert Frederik Hendrik Buining and Arnold J. Brederoo was published in 1977 by Theunissen from the Buining estate. Friedrich Ritter placed the species in the genus Arthrocereus in 1979 .

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. 81 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 225.
↑ Cacti and other succulents . Volume 28, Number 3, 1977, p. 49.
↑ Cacti in South America: Results of my 20 years of field research . Volume 1, 1979, p. 244.
↑ Arthrocereus spinosissimus in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Braun, P., Machado, M. & Taylor, NP, 2010. Retrieved February 16, 2014.

Web links

Commons : Arthrocereus spinosissimus - 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. 225.

[2] Cacti and other succulents . Volume 28, Number 3, 1977, p. 49.

[3] Cacti in South America: Results of my 20 years of field research . Volume 1, 1979, p. 244.

[4] Arthrocereus spinosissimus in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Braun, P., Machado, M. & Taylor, NP, 2010. Retrieved February 16, 2014.