Frailea pygmaea

Frailea pygmaea
	Frailea pygmaea
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Notocacteae
Genre :	Frailea
Type :	Frailea pygmaea
Scientific name
	Frailea pygmaea
	( Speg. ) Britton & Rose

Frailea pygmaea is a species of plant in the genus Frailea from the cactus family(Cactaceae).

description

Frailea pygmaea grows individually or in groups with spherical to short cylindrical, bright green to gray-green bodies. The bodies reach heights of growth of up to 7 centimeters with a diameter of 3 centimeters. The 13 to 24 ribs are divided into small, hardly distinguishable humps. The white, bristly, 1 to 4 millimeter long spines lie on the surface of the body and cannot be divided into central and radial spines.

The yellow flowers are up to 2.5 centimeters long and reach a diameter of 3 centimeters. The fruits are spherical.

Distribution, systematics and endangerment

Frailea pumila is distributed in the south of Brazil , in Uruguay , and in the northeast of Argentina . The first description as Echinocactus pygmaeus was published in 1905 by Carlos Luis Spegazzini . Nathaniel Lord Britton and Joseph Nelson Rose placed them in the genus Frailea in 1922 .

The following subspecies are distinguished:

Frailea pygmaea subsp. pygmaea
Frailea pygmaea subsp. albicolumnaris

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. 302-303 .

Individual evidence

↑ Carlos Luis Spegazzini: Cactacearum Platensium Tentamen . In: Anales del Museo Nacional de Buenos Aires . 3rd Series, Volume 4, 1905, pp. 497-498 (online) .
↑ The Cactaceae . Volume 3, 1922, pp. 210-211 (online) .
↑ Frailea pygmaea in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M. & Duarte, W., 2010. Retrieved January 19, 2014.

Web links

Commons : Frailea pygmaea - album with pictures, videos and audio files

Entry on www.frailea.com

[1] Carlos Luis Spegazzini: Cactacearum Platensium Tentamen . In: Anales del Museo Nacional de Buenos Aires . 3rd Series, Volume 4, 1905, pp. 497-498 (online) .

[2] The Cactaceae . Volume 3, 1922, pp. 210-211 (online) .

[3] Frailea pygmaea in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M. & Duarte, W., 2010. Retrieved January 19, 2014.