Purshia mexicana
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Purshia mexicana |
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| ( D.Don ) SLWelsh |
Purshia mexicana is a species of plant in the genus Purshia within the rose family (Rosaceae). It occurs in the northern part of western Mexico , in the region of the Sierra Madre Occidental . An English-language common name is Mexican cliffrose.
description
Purshia mexicana is a small, perennial flowering tree .
Occurrence
The distribution area of Purshia mexicana extends from the west of the Mexican plateau and the southern Sierra Madre Occidental in the south northward to a small region in northwestern Sonora ; the distribution area is continuous in the Cordillera from Chihuahua south via Durango and Zacatecas and most of the north of the Sierra Volcánica Transversal , although some disjoint populations exist in the Sierra Volcánica Transversal.
In its mostly mountainous or high-lying area of distribution, Purshia mexicana grows in forests, deserts and the habitats of the plateau.
ingredients
Stenophyllanin A , a tannin , is a secondary plant component from Purshia mexicana .
Systematics
It was first described in 1825 under the name Cowania mexicana D. Don by David Don in Transactions of the Linnean Society of London , Volume 14, Issue 3, page 575, Plate 22, Figures 1-6. The new combination to Purshia mexicana (D.Don) SLWelsh was published in 1986 by Stanley Larson Welsh in Great Basin Naturalist , Volume 46, Issue 2, page 260.
Purshia stansburyana ,nativeto the southwestern United States , is sometimes considered a variety of Purshia mexicana .
Individual evidence
- ^ A b c Elbert L. Little: Map 55-SW, Map 55-N, Cowania mexicana . In: Minor Western Hardwoods (= Atlas of United States Trees), Volume 3. US Government Printing Office, 1976.
- ↑ H. Ito, M. Miyake, E. Nishitani, K. Mori, T. Hatano, T. Okuda, T. Konoshima, M. Takasaki, M. Kozuka: Anti-tumor promoting activity of polyphenols from Cowania mexicana and Coleogyne ramosissima . In: Cancer Lett. . 143, No. 1, August 1999, pp. 5-13. doi : 10.1016 / S0304-3835 (99) 00160-3 .
- ^ Purshia mexicana at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed August 30, 2019.
- ↑ Purshia mexicana var. Stansburiana (Torr.) SLWelsh . In: GBIF Taxonomy Backbone . Global Biodiversity Information Facility . Retrieved August 22, 2019.
Other sources
- A. Cronquist, NH Holmgren, PK Holmgren, A. Cronquist: Subclass Rosidae (except Fabales) (= Intermountain flora: Vascular plants of the Intermountain West, USA), Volume 3A. The New York Botanical Garden, 1997, ISBN 0893273740 .
Web links
- Purshia mexicana - University of California Photo Gallery.