Parodia scopa
Parodia scopa | ||||||||||||
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![]() Parodia scopa |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Parodia scopa | ||||||||||||
( Spreng. ) NPTaylor |
Parodia scopa is a species of Parodia in the cactus family(Cactaceae). The specific epithet scopa comes from Latin , means 'thin twig' and refers to the thorns of the species.
description
Parodia scopa grows individually or forms groups. The dark green spherical to cylindrical shoots reach heights of growth of 5 to 50 centimeters and diameters of 6 to 10 centimeters. The shoots are completely covered by the dense thorns. The apex of the shoot is depressed. The 18 to 40 low ribs are finely humped. The areoles on them are woolly white. The two to twelve strong, needle-like central spines are brown to red in color or white. They have lengths of 0.6 to 1.2 centimeters. The 15 to 40 (or more) bristle-like, glassy white or yellowish radial spines are 0.5 to 0.7 inches long.
The bright yellow flowers often appear in groups at the top of the shoot. They reach lengths of 2 to 4 centimeters and diameters of 3.5 to 4.5 centimeters. Your pericarpel is covered with wool and bristles. The scars are dark red. The spherical fruits have a diameter of up to 0.7 centimeters and tear. The fruits contain numerous opaque black seeds that are humped.
Distribution, systematics and endangerment
Parodia scopa is common in the Brazilian state of Rio Grande do Sul as well as in Paraguay and Uruguay .
The first description as Cactus scopa by Kurt Sprengel was published in 1825. Nigel Paul Taylor placed the species in 1987 in the genus Parodia . Further nomenclature synonyms are Echinocactus scopa (Spreng.) Link & Otto (1828), Malacocarpus scopa (Spreng.) Britton & Rose (1922, incorrect name ICBN -Article 11.4) Cereus scopa (Spreng.) DC (1831) and Peronocactus scopa ( Explosives) Doweld (1999, incorrect name ICBN -Article 11.4).
Parodia scopa is very variable. The following subspecies are distinguished:
- Parodia scopa subsp. scopa
- Parodia scopa subsp. marchesii (WRAbraham) Hofacker
- Parodia scopa subsp. neobuenekeri (F.Ritter) Hofacker & PJBraun
- Parodia scopa subsp. succinea (F.Ritter) Hofacker & PJBraun
In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", d. H. listed as endangered.
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literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 512-513 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 217.
- ↑ Kurt Sprengel: Systema vegetabilium ... 16th edition, Volume 2, 1825, p. 494 (online) .
- ↑ David Hunt, Nigel Taylor: New and unfamiliar names of Cactaceae to be used in the European Garden Flora . In: Bradleya . Volume 5, 1987, p. 93.
- ↑ Parodia scopa in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M. & Duarte, W., 2010. Retrieved January 19, 2014.