''Salix taxifolia'', the yewleaf or yew-leaf willow, is a species of

willow Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...

native to all of 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 ...

, also Pacific Coast regions, north to

Sinaloa Sinaloa (), officially the Estado Libre y Soberano de Sinaloa ( en, Free and Sovereign State of Sinaloa), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. It is d ...

, and in the south Pacific Coast of Mexico into central

Guatemala Guatemala ( ; ), officially the Republic of Guatemala ( es, República de Guatemala, links=no), is a country in Central America. It is bordered to the north and west by Mexico; to the northeast by Belize and the Caribbean; to the east by H ...

. Scattered populations are also reported from northern Mexico and from the US states of Texas, New Mexico, and Arizona.Laferrière, Joseph E. 1994. Vegetation and flora of the Mountain Pima village of Nabogame, Chihuahua, Mexico. Phytologia 77:102-140. It is a large

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

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, including only woody plants with secondary growth, plants that are ...

with narrow linear leaves similar to those of a yew. Its range is similar to that of the Bonpland willow, '' S. bonplandiana''.

Distribution

The primary range of yewleaf willow is southern

south of the

Trans-Mexican Volcanic Belt The Trans-Mexican Volcanic Belt ( es, Eje Volcánico Transversal), 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 h ...

and the Pacific coast region, then into Pacific coast–central

. Besides the core range area, (of the northern Sierra Madre Occidentals) in Arizona–New Mexico and northeast Sonora, two larger disjunct regions occur in west

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

and central Chihuahua. South of

Chihuahua, Chihuahua The city of Chihuahua ''(La Ciudad de Chihuahua)'' () is the state capital of the Mexican state of Chihuahua. , the city of Chihuahua had a population of 925,762 inhabitants. while the metropolitan area had a population of 988,065 inhabitants. ...

it is found at the

Conchos River The Río Conchos (Conchos River) is a large river in the Mexican state of Chihuahua. It joins the Río Bravo del Norte (known in the United States as the Rio Grande) at the town of Ojinaga, Chihuahua. Description The Rio Conchos is the main riv ...

, and west of the city, a large area at the lake region. It also occurs in scattered, isolated locales of

Durango Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...

, and in the northeast at

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

and

Tamaulipas Tamaulipas (), officially the Free and Sovereign State of Tamaulipas ( es, Estado Libre y Soberano de Tamaulipas), is a state in the northeast region of Mexico; one of the 31 states which, along with Mexico City, comprise the 32 Federal Entiti ...

: also extreme southern

Baja California Sur Baja California Sur (; 'South Lower California'), officially the Free and Sovereign State of Baja California Sur ( es, Estado Libre y Soberano de Baja California Sur), is the least populated state and the 31st admitted state of the 32 federal ent ...

, (west of Sinaloa-Durango across the

Gulf of California The Gulf of California ( es, Golfo de California), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Bermejo''), is a marginal sea of the Pacific Ocean that separates the Baja Ca ...

). Besides parts of the Sierra Madre Occidental, locales occur in the southern

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 ...

cordillera, but also small isolated locales as far northeast as the northeast states. Its range is similar to that of the Bonpland willow, ''

Salix bonplandiana ''Salix bonplandiana'' (Bonpland willow), ( es, ahuejote, ''sauce'', '' ahujote'', and ''huejote''), is a perennial species of willow tree native to southern and southwest Mexico and extending into central Guatemala; in western Mexico it is a tre ...

'', except ''S. bonplandiana'' covers almost the entire north-south extent of the Sierra Madre Occidentals; yewleaf is more intermittent in that range.

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

Both ''S. taxifolia'', and '' S. bonpandiana'' have identical ranges: both species range from the

southward, on an imaginary centerline into central

. Each is on the Pacific Coast, but leave the

coastal strip A wildlife corridor, habitat corridor, or green corridor is an area of habitat connecting wildlife populations separated by human activities or structures (such as roads, development, or logging). This allows an exchange of individuals between ...

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

region. Both also range into

, but ''S. taxifolia'' only at the extreme south. (''S. bonplandiana'' also occurs in Arizona, in the Mogollon Rim–White Mountains regions.) The other differences between the two: ''S. taxofolia'' occurs in minor locales of the

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

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

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

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

, (with both occurring in central Chihuahua, west of

). Other minor locale differences occur in central

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

, far west

Coahuila Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico. Coahuila borders the Mexican states of N ...

, and

References

External links

Lady Bird Johnson database
* {{Taxonbar, from=Q7404926 taxifolia Trees of Guatemala Trees of Baja California Sur Trees of Chiapas Trees of Chihuahua (state) Trees of Durango Trees of Nayarit Trees of Nuevo León Trees of Oaxaca Trees of Puebla Trees of Sinaloa Trees of Sonora Trees of Tamaulipas Trees of Veracruz Trees of the Southwestern United States North American desert flora Flora of the Chihuahuan Desert Trees of the South-Central United States Flora of Arizona Flora of Sonora Flora of New Mexico Flora of Chihuahua (state) Flora of Texas Flora of Durango Flora of Sinaloa Flora of Nuevo León Flora of Tamaulipas Flora of Baja California Sur Flora without expected TNC conservation status Flora of the Trans-Mexican Volcanic Belt Flora of the Sierra Madre del Sur Flora of the Central American pine–oak forests Sinaloan dry forests Jalisco dry forests Southern Pacific dry forests Balsas dry forests