''Magnolia guerrerensis'' is a species of flowering plant in the family
Magnoliaceae
The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two genera: ''Magnolia'' and ''Liriodendron'' (tulip trees).
Unlike most angiosperms, whose flower parts are in whorls (rings), the ...
. It is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the
Sierra Madre del Sur
The Sierra Madre del Sur is a mountain range in southern Mexico, extending from southern Michoacán east through Guerrero, to the Isthmus of Tehuantepec in eastern Oaxaca.
Geography
The Sierra Madre del Sur joins with the Eje Volcánico Transv ...
of
Guerrero
Guerrero is one of the 32 states that comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo and its largest city is Acapulcocopied from article, GuerreroAs of 2020, Guerrero the pop ...
state in southern
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
.
[
]
Description
''Magnolia guerrerensis'' is a tree that grows between 6 and 20 meters tall at maturity. It flowers in March, May, July, and August and fruits in May.[
The species was classed as '' Magnolia schiedeana'', which is native to the ]Sierra Madre Oriental
The Sierra Madre Oriental () is a mountain range in northeastern Mexico. The Sierra Madre Oriental is part of the American Cordillera, a chain of mountain ranges (cordillera) that consists of an almost continuous sequence of mountain ranges that f ...
, until being recognized as a distinct species.[
]
Range and habitat
''Magnolia guerrerensis'' is endemic to central Sierra Madre del Sur
The Sierra Madre del Sur is a mountain range in southern Mexico, extending from southern Michoacán east through Guerrero, to the Isthmus of Tehuantepec in eastern Oaxaca.
Geography
The Sierra Madre del Sur joins with the Eje Volcánico Transv ...
of Guerrero
Guerrero is one of the 32 states that comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo and its largest city is Acapulcocopied from article, GuerreroAs of 2020, Guerrero the pop ...
state in southern Mexico, where it is found in the municipalities of Leonardo Bravo, General Heliodoro Castillo, and Quechultenango
Quechultenango is a city and seat of the Quechultenango (municipality), municipality of Quechultenango, in the state of Guerrero, south-western Mexico.Instituto Nacional de Estadística y Geografía. Principales resultados por localidad 2005 (I ...
. The species' estimated extent of occurrence
Extent may refer to:
Computing
* Extent (file systems), a contiguous region of computer storage medium reserved for a file
* Extent File System, a discontinued file system implementation named after the contiguous region
* Extent, a chunk of st ...
(EOO) is less than 4,000 km2.[
''Magnolia guerrerensis'' grows in montane cloud forests, from 1,950 to 2,400 meters elevation. It grows in soils with abundant leaf litter, in association with species of pine, oak, '']Persea
''Persea'' is a genus of about 150 species of evergreen trees belonging to the laurel family, Lauraceae. The best-known member of the genus is the avocado, ''P. americana'', widely cultivated in subtropical regions for its large, edible fruit.
O ...
'', and ''Clethra
''Clethra'' is a genus of flowering shrubs or small trees described as a genus by Linnaeus in 1753.[habitat loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...]
from excessive timber harvesting and conversion forest lands to agriculture and livestock pasture. The species' conservation status is assessed as endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
.[
]
References
{{Taxonbar, from=Q15491894
guerrerensis
Endemic flora of Mexico
Trees of Guerrero
Flora of the Sierra Madre del Sur
Cloud forest flora of Mexico
Plants described in 2007