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One black locust leaf showing 13 leaflets. The roots of black locust contain nodules that allow it to fix nitrogen, as is common within the pea family.Trees reach a typical height of 12–30 metres (40–100 feet) with a diameter of 0.61–1.22 m (2–4 ft). [8]
Robinia is a genus of flowering plants in the family Fabaceae, tribe Robinieae, native to North America.Commonly known as locusts, [2] they are deciduous trees and shrubs growing 4–25 metres (13–82 ft) tall.
Locust tree can mean: Any of a number of tree species in the genera Gleditsia or Robinia, including: Honey locust (Gleditsia triacanthos), a leguminous tree with pods having a sweet, edible pulp; Black locust (Robinia pseudoacacia), a leguminous tree with toxic pods; Water locust (Gleditsia aquatica), a leguminous tree with one seed per pod
The leaves are pinnately compound on older trees but bipinnately compound on vigorous young trees. [4] The leaflets are 1.4–3.6 cm (1 ⁄ 2 – 1 + 1 ⁄ 2 in) long when compound and very slightly smaller when bipinnate. [7] The leaves are green in summer and turn yellow in autumn in shades ranging from cream and tan to golden yellow. [8]
Robinia neomexicana is native to the Southwestern United States (southeastern California and southwestern Utah, Virgin River region, [4] east through Arizona and New Mexico, the Rio Grande valley, to far west Texas) and adjoining northern Mexico; from central New Mexico the range extends north into Colorado, mostly the eastern foothills of the Rocky Mountains.
The tree locust bean is also known as "arbre à farine, fern leaf, irú, monkey cutlass tree, two ball nitta-tree, nété and néré "). The use of fermented locust beans in West Africa was documented as early as the 14th century, [7] and described by Michel Adanson in his Histoire naturelle du Sénégal, published in 1757. [8]
Robinia hispida, known as the bristly locust, [3] rose-acacia, or moss locust, is a shrub in the subfamily Faboideae of the pea family Fabaceae. It is native to the southeastern United States , [ 4 ] and it is present in other areas, including other regions of North America, as an introduced species .
Hymenaea courbaril, the courbaril or West Indian locust, [3] is a hardwood tree common in the Caribbean and Central and South America. As lumber it is frequently used to make furniture, flooring, and decoration. Its hard fruit pods have an edible dry pulp surrounding the seeds. Its sap, called animé, is used for incense, perfume, and varnish.