Cleistocactus winteri
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Cleistocactus winteri |
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Cleistocactus winteri is a species of plant in the genus Cleistocactus from the cactus family(Cactaceae).
description
Cleistocactus winteri grows shrubby with pendulous or creeping green shoots branching at the base and reaches lengths of up to 1.5 meters with diameters of 2 to 2.5 centimeters. There are 16 to 17 slightly furrowed ribs . The brown areoles on it are close together. The golden yellow thorns are flexible, thin and straight. The approximately 20 stronger central spines are 5 to 10 millimeters long. The approximately 30 radiant radial spines are 4 to 10 millimeters long.
Depending on the position of the shoots, the flowers are curved upwards or outwards to erect. They are 4 to 6 centimeters long and reach a diameter of up to 5 centimeters. The flowers stay open for several days. The flower tube is more or less orange-pink and widens like a funnel towards its mostly crooked mouth. The bracts are orange-red. The outer ones are radiating to slightly bent back, the inner ones are significantly shorter and upright. The stamens and the stylus protrude from the flower. The barrel-shaped, green to reddish green fruits are 7 to 10 millimeters long and reach the same diameter.
Distribution, systematics and endangerment
Cleistocactus winteri is distributed in the Bolivian department of Santa Cruz in the province of Florida at altitudes of about 1400 to 1500 meters, where it hangs down on rocks. The first description was in 1988 by David Richard Hunt .
In the Red List of Threatened Species of IUCN is the species as " Endangered (EN) ," d. H. listed as endangered.
Synonyms are Borzicactus aureispinus (F.Ritter) GDRowley , Cleistocactus aureispinus (F.Ritter) DRHunt (nom. Illeg.), Hildewintera aureispina (F.Ritter) F.Ritter , Loxanthocereus aureispinus (F.Ritter) F.Buxbaum , Winteria aureispina F.Ritter and Winterocereus aureispinus (F.Ritter) Backeb.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 128 .
Individual evidence
- ↑ Bradleya . Volume 6, 1988, p. 100.
- ↑ Cleistocactus winteri in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved February 22, 2014.
