Disocactus quezaltecus
| Disocactus quezaltecus | ||||||||||||
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| Disocactus quezaltecus | ||||||||||||
| ( Standl. & Steyerm. ) Kimnach |
Disocactus quezaltecus is a species of the genus Disocactus in the cactus family(Cactaceae). The specific epithet quezaltecus indicates the place where it was found in the Quetzaltenango department.
description
Disocactus quezaltecus is richly branched and bushy. The main shoots are basal with a stem-like base up to 35 centimeters long and 5 to 8 millimeters in diameter. They are provided with three rows of thorny areoles with up to 15 whitish bristles. The side shoots appear from the upper half of the main shoots in 2 or 3 rows. They are flattened at the base and are 10 to 35 centimeters long and 1.5 to 6 centimeters wide. They are linear-lanceolate in shape, initially reddish, later turning green and have toothed edges.
The flowers appear at or near the shoot tips. They are clearly tubular, up to 9 centimeters long and curved sharply upwards above the base with a light purple color. The stamens and the stigma protrude far. The spherical fruits are red or yellow and up to 1.8 centimeters in diameter.
Distribution, systematics and endangerment
Disocactus quezaltecus is common in Guatemala in the Quetzaltenango department in the cloud forest between 1800 and 2150 meters above sea level.
It was first described as Bonifazia quezalteca in 1944 by Paul Carpenter Standley and Julian Alfred Steyermark . Myron William Kimnach (* 1922) introduced the species to Disocactus in 1959 .
Synonyms are the following species described: Bonifazia quezalteca Standl. & Steyerm. (1944) and Epiphyllum quezaltecum (Standl. & Steyerm.) LOWilliams (1962).
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 . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 187 .
Individual evidence
- ^ Standley & Steyermark: Publications of the Field Museum of Natural History. Botanical series . Volume 23, Chicago (IL) 1944, p. 66.
- ↑ Kimnach: Cactus and Succulent Journal . Volume 31, 1959, p. 137.
- ↑ Disocactus quezaltecus in the IUCN Red List of Threatened Species 2013.2. Posted by: Véliz, M., 2009. Retrieved January 5, 2014.