Matucana paucicostata
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| F. Knight |
Matucana paucicostata is a species of plant in the genus Matucana from the cactus family(Cactaceae). The specific epithet paucicostata means '(Latin paucicostatus) little ribbed'.
description
Matucana paucicostata usually grows with spherical to short cylindrical, dark gray-green shoots branching from the base and reaches heights of 7 to 15 centimeters with diameters of 4 to 7 centimeters. A short tap root is formed. There are seven to eleven broad, straight ribs that are divided into conical cusps. The curved, somewhat flexible, reddish-brown thorns turn gray with age. The single central spine - which can also be missing - is up to 3 centimeters, the four to eight radial spines are 0.5 to 3 centimeters long.
The slightly curved, carmine-red flowers are up to 6 inches long and 3 inches in diameter. The green fruits reach a diameter of 11 millimeters.
Distribution, systematics and endangerment
Matucana paucicostata is widespread in the Peruvian region of Ancash in the valleys of the Río Puchca , Río Mosna , Río Huari and Río Marañón at altitudes of 1800 to 2800 meters.
It was first described in 1963 by Friedrich Ritter . Synonyms are Submatucana paucicostata (F.Ritter) Backeb. (1963) and Borzicactus paucicostatus (F.Ritter) Donald (1971).
In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", d. H. listed as endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 420 .
Individual evidence
- ^ Diagnoses of new cacti . In: Taxon . Volume 12, Number 3, 1963, pp. 124-125, JSTOR 1217203 .
- ↑ Matucana paucicostata in the IUCN Red List of Threatened Species 2013.2. Posted by: Ostalaza, C. & Roque, J., 2013. Retrieved April 19, 2014.
