Discocactus bahiensis

Discocactus bahiensis
	Discocactus bahiensis ssp. gracilis
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Discocactus
Type :	Discocactus bahiensis
Scientific name
	Discocactus bahiensis
	Britton & Rose

Discocactus bahiensis is a species of the genus Discocactus in the cactus family(Cactaceae). The specific epithet bahiensis refers to the occurrence in the Brazilian state of Bahia .

Discocactus bahiensis ssp. gracilis at the type location Bahia 2018

Discocactus bahiensis ssp. subviridigriseus

description

Discocactus bahiensis grows individually, with heavily thorny, depressed spherical to spherical bodies that reach a diameter of 8 to 18 centimeters. There are 10 to 15 ribs . The 5 to 13 backward curved spines are up to 3 centimeters long. The protruding cephalium is made of white wool and a few short bristles. The slender funnel-shaped, yellowish white flowers are 4 to 5 centimeters long. The fruits are small.

Distribution, systematics and endangerment

Discocactus bahiensis is common in the Brazilian state of Bahia . The first description was in 1922 by Nathaniel Lord Britton and Joseph Nelson Rose . The following subspecies are distinguished:

Discocactus bahiensis subsp. bahiensis
Discocactus bahiensis subsp. subviridigriseus (Buining & Brederoo) PJBraun & Esteves
Discocactus bahiensis subsp. gracilis PJBraun & Esteves

Discocactus bahiensis is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of IUCN from 2002 it was called " Endangered (EN) ," d. H. classified as endangered. After the list was revised in 2013, the species will be classified as " Vulnerable (VU) ", 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. 179-180 .
NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 220 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 21.
↑ The Cactaceae . Volume 3, 1922, p. 220.
↑ Discocactus bahiensis in the IUCN Red List of Threatened Species 2013.2. Posted by: Machado, M., Braun, P., Taylor, NP & Zappi, D., 2010. Retrieved February 23, 2014.

Web links

Commons : Discocactus bahiensis - album with pictures, 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. 21.

[2] The Cactaceae . Volume 3, 1922, p. 220.

[3] Discocactus bahiensis in the IUCN Red List of Threatened Species 2013.2. Posted by: Machado, M., Braun, P., Taylor, NP & Zappi, D., 2010. Retrieved February 23, 2014.