Leptocereus quadricostatus

Leptocereus quadricostatus
	Leptocereus quadricostatus
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Pachycereeae
Genre :	Leptocereus
Type :	Leptocereus quadricostatus
Scientific name
	Leptocereus quadricostatus
	( Bello ) Britton & Rose

Leptocereus quadricostatus is a species of plant in the genus Leptocereus from the cactus family(Cactaceae). The specific epithet quadricostatus is derived from the Latin words quadr- for 'four' and costatus for 'ribbed' and refers to the four-ribbed shoots of the species.

description

Leptocereus quadricostatus grows shrubby with a trunk up to 20 centimeters thick, reaches heights of 2 to 4 meters and often forms thickets. The numerous, bent to upright shoots are cloudy, dark green. The uppermost shoot segments have a diameter of 3.5 to 6 centimeters. There are 3 to 4 low and thin ribs . The needle-like thorns are up to 4 inches long.

The tubular, yellowish to greenish white flowers appear on terminal cephalium-like formations. They are up to 4 centimeters long and have a diameter of 2 centimeters. Your pericarpel and the flower tube are covered with short thorns. The spherical to egg-shaped fruits turn red when ripe and are 3 to 5 centimeters long.

Systematics, distribution and endangerment

Leptocereus quadricostatus is common in southwest Puerto Rico . The first description as Cereus quadricostatus was published in 1881 by Domingo Bello y Espinosa . Nathaniel Lord Britton and Joseph Nelson Rose placed them in the genus Leptocereus in 1913 .

Leptocereus quadricostatus was in the endangered Red List species the IUCN in 1997 as " Endangered (EN) ," d. H. listed as endangered. When the list was revised in 2003, the species was classified as " Critically Endangered ". H. critically endangered, classified. After a further revision of the list in 2013, the species is now again called " Endangered (EN) ", i. H. listed as endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 357 .

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.
↑ Anales de la Sociedad Espanola de Historia Natural . Volume 10, 1881. p. 276 (online) .
↑ NL Britton, JN Rose: Studies in Cactaceae I . In: Contributions from the United States National Herbarium . Volume 16, 1913, p. 242, (online) .
↑ Leptocereus quadricostatus in the IUCN Red List of Threatened Species 2013.2. Posted by: Gann, GD & Taylor, NP, 2011. Retrieved January 25, 2014.

Web links

Commons : Leptocereus quadricostatus - 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. 197.

[2] Anales de la Sociedad Espanola de Historia Natural . Volume 10, 1881. p. 276 (online) .

[3] NL Britton, JN Rose: Studies in Cactaceae I . In: Contributions from the United States National Herbarium . Volume 16, 1913, p. 242, (online) .

[4] Leptocereus quadricostatus in the IUCN Red List of Threatened Species 2013.2. Posted by: Gann, GD & Taylor, NP, 2011. Retrieved January 25, 2014.