Prosopis glandulosa, commonly known as honey mesquite, is a species of small to medium-sized flowering

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 in the legume family, Fabaceae

Fabaceae

The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...

. It is native to the Southwestern United States

Southwestern United States

The Southwestern United States is a region defined in different ways by different sources. Broad definitions include nearly a quarter of the United States, including Arizona, California, Colorado, Nevada, New Mexico, Oklahoma, Texas and Utah...

 and Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, growing as far north as southern Kansas

Kansas

Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

 and as far east as the eastern fifth of Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

, where average annual rainfall is in excess of 40 inches (101.6 cm). It can be part of the Mesquite Bosque

Mesquite Bosque

Mesquite Bosque is a vegetative association within the Southwestern United States, under the Kuchler scheme of plant association categories.-Geography:...

 plant association community.

It has been introduced

Introduced species

An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...

 to at least a half-dozen other countries. The IUCN considers it as one of the world's 100 worst invasive species

Invasive species

"Invasive species", or invasive exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats, with several definitions....

 outside its native habitat

Habitat (ecology)

A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant or other type of organism...

 range.

Description

Honey mesquite has rounded big and floppy, drooping branches with feathery foliage

Pinnate

Pinnate is a term used to describe feather-like or multi-divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning "feather", "wing", or "fin". A similar term is pectinate, which refers to a comb-like arrangement of parts...

 and straight, paired spines

Thorns, spines, and prickles

In botanical morphology, thorns, spines, and prickles are hard structures with sharp, or at least pointed, ends. In spite of this common feature, they differ in their growth and development on the plant; they are modified versions of different plant organs, stems, stipules, leaf veins, or hairs...

 on twigs. This tree normally reaches 20–30 ft (6.1–9.1 m), but can grow as tall as 50 ft (15.2 m). It is considered to have a medium growth rate. Honey mesquite coppices

Coppicing

Coppicing is a traditional method of woodland management which takes advantage of the fact that many trees make new growth from the stump or roots if cut down. In a coppiced wood, young tree stems are repeatedly cut down to near ground level...

 due to latent buds underground, making permanent removal difficult. A single-trunked

Trunk (botany)

In botany, trunk refers to the main wooden axis of a tree that supports the branches and is supported by and directly attached to the roots. The trunk is covered by the bark, which is an important diagnostic feature in tree identification, and which often differs markedly from the bottom of the...

 tree that is cut down will soon be replaced by a multi-trunked version.

It flower

Flower

A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s from March to November, with pale, yellow, elongated spikes

Inflorescence

An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 and bears straight, yellow seedpods. The seed

Seed

A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s are eaten by a variety of animals, such as scaled quail

Scaled Quail

The Scaled Quail , also commonly called Blue Quail or cottontop, is a species of the New World quail family. It is a bluish gray bird found in the arid regions of the Southwestern United States to Central Mexico...

. Other animals, including deer

Odocoileus

Odocoileus is a genus of medium-sized deer containing two species native to the Americas. The name is sometimes spelt odocoeleus; it is from a contraction of the roots odonto- and coelus meaning "hollow-tooth".-Species:...

, collared peccaries

Collared Peccary

The collared peccary is a species of mammal in the family Tayassuidae that is found in North, Central, and South America. They are commonly referred to as javelina, saíno or báquiro, although these terms are also used to describe other species in the family...

, and jackrabbits

Hare

Hares and jackrabbits are leporids belonging to the genus Lepus. Hares less than one year old are called leverets. Four species commonly known as types of hare are classified outside of Lepus: the hispid hare , and three species known as red rock hares .Hares are very fast-moving...

, feed on both pods and vegetation.

Varieties

• Prosopis glandulosa var. glandulosa (syn. Prosopis chilensis var. glandulosa (Torr.) Standl.
  Paul Carpenter Standley
  Paul Carpenter Standley was an American botanist.Standley was born in Avalon, Missouri...
  
  , Prosopis juliflora
  Prosopis juliflora
  Prosopis juliflora is a shrub or small tree native to Mexico, South America and the Caribbean. It has become established as a weed in Asia, Australia and elsewhere. Its uses include forage, wood and environmental management. The tree grows to a height of up to and has a trunk with a diameter of...
  
  var. glandulosa (Torr.) Cockerell)

• Prosopis glandulosa var. torreyana (L.D.Benson) M.C.Johnst. (syn. Prosopis juliflora var. torreyana L.D.Benson)

Uses

This species of mesquite, known as haas by the Seri people of northwestern Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, was very important for food and nonfood uses. The Seris had specific names for various stages of the growth of the mesquite pod. Historically, it was a very important wild food plant because it fruits even during drought years.