Opuntia monacantha

Opuntia monacantha
	Opuntia monacantha
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Opuntioideae
Tribe :	Opuntieae
Genre :	Opuntia ( Opuntia )
Type :	Opuntia monacantha
Scientific name
	Opuntia monacantha
	( Willd. ) Haw.

Opuntia monacantha is a species of plant in the genus Opuntia ( Opuntia ) from the cactus family(Cactaceae). The epithet of the species is derived from the Greek words μόνος (monos) for "single" and ἅκανθα (acantha) for "thorn".

description

Opuntia monacantha grows almost tree-like with several branches and reaches a height of up to 2 meters. The oval to elongated shoots narrowed at the base are shiny green. They are quite thin and four to ten inches long. The widely spaced areoles have brownish glochids . The straight thorn (rarely two to three are present) is brown and between 3 and 4 centimeters long.

The dark yellow flowers reach a diameter of up to 8 centimeters. The pear-shaped, red fruits are thornless and up to 7 centimeters long.

Distribution, systematics and endangerment

Opuntia monacantha is widespread in Brazil , Paraguay , Uruguay and Argentina up to altitudes of 1000 meters. The first description as Cactus monacanthos was published in 1813 by Carl Ludwig Willdenow . By Adrian Hardy Haworth the species was classified in the genus 1819 Opuntia asked. Many authors, including Nathaniel Lord Britton and JN Rose and Curt Backeberg , thought Opuntia monacantha was just another name for Opuntia vulgaris .

Opuntia monacantha was in the Red List of Threatened Species of IUCN in 2002 as " Least Concern (LC) ", d. H. classified as not threatened. When the list was revised in 2013, the classification was retained. The development of the populations is considered stable.

proof

literature

Opuntia monacantha . In: Edward F. Anderson : The Cactus Family . Timber Press: Portland (Oregon), 2001, pp. 508 f. ISBN 0-88192-498-9 .

Individual evidence

↑ Enumeratio plantarum Horti regii botanici berolinensis: continens descriptiones omnium vegetabilium in horto dicto cultorum. Supplement . P. 33, Berlin 1813; on-line
↑ Supplementum Plantarum Succulentarum: Sistens Plantas Novas Vel Nuper Introductas Sive Omissas In: Synopsis Plantarum Succulentarum Cum Observationibus Variis Anglicanis . P. 81, London 1819; on-line
↑ Opuntia monacantha in the IUCN Red List of Threatened Species 2014.3. Posted by: Taylor, NP, Zappi, D., Machado, M. & Braun, P., 2013. Retrieved January 9, 2015.

Web links

Commons : Opuntia monacantha - Collection of images, videos and audio files

[1] Enumeratio plantarum Horti regii botanici berolinensis: continens descriptiones omnium vegetabilium in horto dicto cultorum. Supplement . P. 33, Berlin 1813; on-line

[2] Supplementum Plantarum Succulentarum: Sistens Plantas Novas Vel Nuper Introductas Sive Omissas In: Synopsis Plantarum Succulentarum Cum Observationibus Variis Anglicanis . P. 81, London 1819; on-line

[3] Opuntia monacantha in the IUCN Red List of Threatened Species 2014.3. Posted by: Taylor, NP, Zappi, D., Machado, M. & Braun, P., 2013. Retrieved January 9, 2015.