Pilosocereus arrabidae

Pilosocereus arrabidae
	Pilosocereus arrabidae; Figure 1 on panel VI in The Cactaceae . Volume 2
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cereeae
Genre :	Pilosocereus
Type :	Pilosocereus arrabidae
Scientific name
	Pilosocereus arrabidae
	( Lem. ) Byles & GDRowley

Pilosocereus arrabidae is a species of plant in the genus Pilosocereus from the cactus family(Cactaceae).

description

Pilosocereus arrabidae grows shrubby, is usually stemless, branched near the base and reaches heights of 1 to 4 meters. The straight, yellowish-green to dark-green shoots , slightly curved upwards, have a diameter of 4.5 to 9.5 centimeters and are only slightly woody. There are 5 to 8 ribs with crooked transverse furrows. The areoles , from which hairs can arise, stand on distinct humps. The initially translucent thorns turn brown to grayish. Of the mostly 2 to 4 central spines, one is often ascending and two protruding. They are 1.5 to 4 inches long. The 7 to 10 radial spines are 2 to 20 millimeters long. Part of the shoots capable of flowering is not pronounced.

The funnel-shaped flowers appear along the length of the shoot. They are 6 to 7 centimeters long and 4 to 5 centimeters in diameter. The depressed spherical fruits tear open laterally, are 3 to 5 centimeters long and contain a magenta colored pulp.

Systematics, distribution and threat

Pilosocereus arrabidae is distributed in the Brazilian states of Rio de Janeiro , Espírito Santo and Bahia at altitudes of up to 100 meters. The first description as Pilocereus arrabidae was published in 1903 by Charles Lemaire . Ronald Stewart Byles and Gordon Douglas Rowley placed them in the genus Pilosocereus in 1957 . A synonym is Pseudopilocereus arrabidae (Lem.) Buxb.

Pilosocereus arrabidae is in the endangered Red List species the IUCN as " Near Threatened (NT) ", d. H. low risk, classified.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 535-536 .

Individual evidence

^ Cactus and Succulent Journal of Great Britain . Volume 19, No. 3, p. 66, London 1957
↑ Pilosocereus arrabidae in the Red List of Threatened Species of the IUCN 2009. Posted by: Taylor, NP, 2002. Retrieved on December 29 of 2009.

Web links

Commons : Pilosocereus arrabidae - Collection of images, videos and audio files

[1] Cactus and Succulent Journal of Great Britain . Volume 19, No. 3, p. 66, London 1957

[2] Pilosocereus arrabidae in the Red List of Threatened Species of the IUCN 2009. Posted by: Taylor, NP, 2002. Retrieved on December 29 of 2009.