Coryphantha longicornis
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Coryphantha longicornis is a species of plant in the genus Coryphantha from the cactus family(Cactaceae). The specific epithet longicornis is derived from the Latin words longus for 'long' and cornu for 'horn' and refers to the long curved thorns of the species. A common Spanish name is “Biznaga de Piña”.
description
Coryphantha longicornis usually grows individually. The spherical to short cylindrical, light gray-green shoots reach heights of 9 to 30 centimeters with a diameter of 10 to 15 centimeters. The shoots are densely covered by thorns, the tip of the shoot is woolly. The very firm, more or less upright warts are conical. The three stiff, white to brown central spines often have a blackish tip and are 1.3 to 2.5 centimeters long. The lowest one is strongly curved and descending, the upper central spine is shorter. The twelve radial spines 0.6 to 1.3 centimeters long are translucent white.
The yellow flowers are 4 to 6.5 centimeters long and 4 to 7.5 centimeters in diameter. The yellowish green fruits are 1.4 to 1.7 centimeters long.
Distribution, systematics and endangerment
Coryphantha longicornis is common on lava gravel, often under bushes, in the northwest of the Mexican state Durango .
The first description by Friedrich Bödeker was published in 1931.
Coryphantha longicornis is in the endangered Red List species the IUCN as " Least Concern (LC) ", d. H. not endangered, classified.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 153 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 139.
- ↑ Monthly of the German Cactus Society . Volume 3, 1931, pp. 249-250.
- ↑ Coryphantha longicornis in the endangered Red List species the IUCN 2012. Posted by: sealing, RF & Lüthy, AD, 2009. Accessed June 8, 2012 Design.
Web links
- Photo of Coryphantha longicornis