Gymnocalycium bayrianum
| Gymnocalycium bayrianum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gymnocalycium bayrianum |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Gymnocalycium bayrianum | ||||||||||||
| H. Till |
Gymnocalycium bayrianum is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet honors Alfred Bayr (1905–1970), a cactus lover and former president of the Society of Austrian Cactus Friends .
description
Gymnocalycium bayrianum grows individually with blue-green, reddish tinged , flattened spherical shoots and reaches heights of 4 to 5 centimeters with diameters of up to 10 centimeters. A large turnip and a taproot are formed. The six to ten ribs are broad and flat at their base and notched above each areole . Central spines are usually absent, but sometimes one is formed. The usually five recurved, light brown radial spines have a darker tip and turn gray with age. They are up to 3 inches long.
The funnel-shaped, cream-white flowers are up to 3 centimeters long and 4 centimeters in diameter. The gray-green, bluish tinged fruits are elongated.
Distribution, systematics and endangerment
Gymnocalycium bayrianum is distributed in the Argentine provinces of Salta and Tucumán at altitudes of 1000 to 1500 meters.
The first description was in 1987 by Hans Till .
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. 311 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . S. 24, Birkhäuser, 2004. ISBN 3-540-00489-0
- ↑ Cacti and other succulents . Volume 38, Number 8, 1987, p. 191.
- ↑ Gymnocalycium bayrianum in the IUCN Red List of Threatened Species 2013.2. Posted by: Demaio, P. & Trevisson, M., 2010. Retrieved March 13, 2014.
