screwbean mesquite Fabaceae Prosopis pubescens

Leaf:Alternate, bipinnately compound, 1 to 2 inches long, usually with only two major leaflets (may occasionally have 2 to 3 pairs), each leaflet with 6 to 9 pairs of narrow minor leaflets (1/2 to 1 inch long) with entire margins and a fuzzy surface, green to gray-green above, paler below.
Flower:Small pale yellow to yellow-green in 2 to 3 inch long slender spikes in groups of 2 to 6, appearing late spring to early summer.
Fruit:A very unique, tightly coiled legume, 1 to 2 inches long, light brown, ripening in mid to late summer.
Twig:Light reddish brown, slightly zigzag with obvious paired slender spines (up to 1 inch long) at the base of each leaf, spine is nearly white, knobby spur branches may also be present.
Bark:Very distinct, rough shreddy to scaly, outer older bark gray-brown, newer bark reddish brown.
Form:A thicket forming small tree to large shrub (up to 20 feet), typically with several crooked and arching stems forming a broad round crown.

leaf flower fruit twig bark form map

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