Pereskia nemorosa
| Pereskia nemorosa | ||||||||||||
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Pereskia nemorosa |
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| Scientific name | ||||||||||||
| Pereskia nemorosa | ||||||||||||
| Rojas Acosta |
Pereskia nemorosa is a species of plant in the genus Pereskia from the cactus family(Cactaceae). The specific epithet nemorosa means 'living in groves'. Spanish common names are "Amapola", "Mori", "Quisca del Bosque" and "Tuna Quisca".
description
Pereskia nemorosa grows as a shrub or as a small tree and reaches heights of 3 to 5 meters. The brownish-gray trunk has a diameter of up to 10 centimeters. The leaves are stalked up to 5 millimeters long, the stalk gradually merging into the obovate to narrowly elliptical leaf blade . The leaf blade is 4 to 14 inches long and 2 to 6 inches wide. It is at least twice as long as it is wide. The nerve of the leaf blade is almost pinnate and has six to ten lateral nerves. On the branches there are up to five thorns per areole that are 0.5 to 5 centimeters long and stand in bundles or are spread out. On the trunk, 15 to 20 or more thorns are formed per areole, which have a length of 4 to 6 centimeters.
The flowers are solitary or in two- to five-flowered, terminal inflorescences. The light pink to white flowers reach a diameter of 4 to 7 centimeters. The pear-shaped, green to yellowish green fruits when ripe have a diameter of 3 to 5 centimeters and are 4 to 6 centimeters long.
Distribution, systematics and endangerment
Pereskia nemorosa is common in the Brazilian states of Rio Grande do Sul , Mato Grosso do Sul , in Paraguay and in northwestern Uruguay as well as in the Argentine provinces of Corrientes , Entre Ríos and Misiones in dry forests and tree-covered areas.
It was first described in 1897 by Nicolás Rojas Acosta .
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 . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 530 .
Individual evidence
- ↑ Braun, PJ (2017): The cacti native to Mato Grosso do Sul. - cact. and. Sukk. 68 (3): 65-70.
- ↑ Braun, PJ (2017): An annotated list of species of the Cactaceae from Mato Grosso do Sul: Opuntia, deciduous cacti, epiphytes. - cact. and. Sukk. 68 (9): 247-249.
- ^ Historia natural de Corrientes: catálogo. Mineralogía, Gea Paleontología, Flora and Fauna que comprende principalmente los vejetales i animales de las provincias i territorios limítrofes . Buenos Aires 1897, p. 64.
- ↑ Pereskia nemorosa in the IUCN Red List of Threatened Species 2013.2. Posted by: Pin, A., Oakley, L. & Duarte, W., 2013. Retrieved May 16, 2014.