Frailea castanea
Frailea castanea | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() Frailea castanea |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Frailea castanea | ||||||||||||
Backeb. |
Frailea castanea is a species of plant in the genus Frailea from the cactus family(Cactaceae).
description
Frailea castanea grows individually with depressed spherical, dark reddish to chocolate brown, sometimes blue to gray-green bodies. The bodies reach heights of up to 4 centimeters with diameters of 3 to 4 centimeters and have conical, bulbous roots. The 8 to 14 ribs are low and convex. The areoles on it are small. The 3 to 11 dark brown spines are directed downwards, lie on the surface of the body and are 0.5 to 1.5 millimeters long.
The light yellow flowers are up to 4 centimeters long and reach the same diameter. The fruits are yellowish green.
Distribution, systematics and endangerment
Frailea castanea is common in southern Brazil , Uruguay and Argentina . The first description was published in 1936 by Curt Backeberg .
The following subspecies are distinguished:
- Frailea castanea subsp. castanea
- Frailea castanea subsp. harmoniana (F. Ritter) PJ Braun & Esteves
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. 299-300 .
Individual evidence
- ^ Cactus ABC, en Haandbog for Fagfolk og Amatorer . Pp. 248, 415, 1936
- ↑ Frailea castanea in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Larocca, J., Machado, M. & Duarte, W., 2010. Retrieved January 19, 2014.