''Salix bonplandiana'' (Bonpland willow), (, ''sauce'', '' ahujote'', and ''huejote''),
/ref> is a

perennial In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...

species of

willow Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

native to southern and southwest

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

and extending into central

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

; in western Mexico it is a tree of the

Sierra Madre Occidental The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through northwestern and western Mexico, and along the Gulf of California. The Sierra Madre is part of the American C ...

cordillera, but also occurring in other small locales, for example

Baja California Sur Baja California Sur, officially the Free and Sovereign State of Baja California Sur, is a state in Mexico. It is the 31st and last state to be admitted, in 1974. It is also the second least populated Mexican state and the ninth-largest state by ...

, northern

Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...

, San Luis Potosi, etc. A core disjunct area occurs in central and southeast

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

, in advantageous locales, especially associated with higher elevations and water.

Distribution

In Mexico, the Bonpland willow is associated with the Pacific Coast, and in southern Mexico, the range extends into internal mountain areas of Pacific, central-southwest

. Across southern Mexico, it is a species of the

Trans-Mexican Volcanic Belt The Trans-Mexican Volcanic Belt (), also known as the Transvolcanic Belt and locally as the (''Snowy Mountain Range''), is an active volcanic belt that covers central-southern Mexico. Several of its highest peaks have snow all year long, and dur ...

, and has its range extension on the Pacific, west from the west of the Volcanic Belt, and then north into the

cordillera. In the cordillera, the range ends in southwest Chihuahua, but is disjunct in a large area of central

, the

Mogollon Rim The Mogollon Rim ( or or ) is a topography, topographical and geological feature cutting across Northern Arizona, the northern half of the U.S. state of Arizona. It extends approximately , starting in northern Yavapai County, Arizona, Yavapa ...

–

White Mountains (Arizona) The White Mountains of Arizona are a mountain range and mountainous region in the eastern part of the state, near the border with New Mexico; they are a continuation from the west of the Arizona transition zone–Mogollon Rim, with the Rim ending ...

and extending into the

Madrean Sky Islands The Madrean Sky Islands are enclaves of Madrean pine–oak woodlands, found at higher elevations in a complex of small mountain ranges in southern and southeastern Arizona, southwestern New Mexico, and northwestern Mexico. The sky islands are su ...

southeastwards, including mountain-related isolated locales in the bootheel of extreme southwest

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

Identical ranges of ''S. bonplandiana'', ''S. taxifolia''

Both ''S. bonplandiana'', and '' S. taxifolia'' have identical ranges; both species range from the Trans-Mexican Volcanic Belt southward, on an imaginary centerline into central

. Each is on the Pacific Coast, but leave the

coastal strip A wildlife corridor, also known as a habitat corridor, or green corridor, is a designated area that connects wildlife populations that have been separated by human activities or structures, such as development, roads, or land clearings. These co ...

before the range extension into central Guatemala. Both have their disjunct ranges in Arizona, both being in the

region. Both also range into

, but ''S. taxifolia'' only at the extreme south. The other differences between the two are ''S. taxofolia'' occurs in minor locales of 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 ...

cordillera, and ''S. bonplandiana'' occurs in the Sierra Madre Occidental cordillera northwest to southwest

Durango Durango, officially the Free and Sovereign State of Durango, is one of the 31 states which make up the Political divisions of Mexico, 32 Federal Entities of Mexico, situated in the northwest portion of the country. With a population of 1,832,650 ...

. ''S. taxifolia'' occurs west of the Occidental cordillera in the south Pacific Coast north to southern

Sinaloa Sinaloa (), officially the (), is one of the 31 states which, along with Mexico City, compose the Federal Entities of Mexico. It is divided into 18 municipalities, and its capital city is Culiacán Rosales. It is located in northwest Mexic ...

–southwest Durango. ''S. bonplandiana'' has a few locales on the

Mexican Plateau The Central Mexican Plateau, also known as the Mexican Altiplano (), is a large arid-to-semiarid plateau that occupies much of northern and central Mexico. Averaging above sea level, it extends from the United States border in the north to the T ...

, (with both occurring in central Chihuahua, west of

Chihuahua, Chihuahua The city of Chihuahua or Chihuahua City ( ; Lipan language, Lipan: ) is the state capital of the Mexican state of Chihuahua (state), Chihuahua. , the city of Chihuahua had a population of 925,762 inhabitants. while the metropolitan area had a popu ...

). Other minor locale differences occur in central

, far west

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...

Nuevo Leon Nuevo is the Spanish word for "new". It may refer to: * Nuevology, California, a town in California, United States * Nuevo (band), featuring singer and musician Peter Godwin * Nuevo (Bayamón), a settlement in Puerto Rico * "Nuevo", Spanish-langu ...

, and

Tamaulipas Tamaulipas, officially the Free and Sovereign State of Tamaulipas, is a state in Mexico; one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is divided into 43 municipalities. It is located in nor ...

References

External links

*
Lady Bird Johnson database
* Spanish:

{{Taxonbar, from=Q5240829 bonplandiana Trees of Guatemala Trees of Northern America North American desert flora Flora of the Chihuahuan Desert Flora of the Sierra Madre Occidental Flora of the Trans-Mexican Volcanic Belt Flora of the Sierra Madre del Sur Flora of the Chiapas Highlands