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Prosopis denudans Benth.
Family: Fabaceae, Subfamily: Mimosoideae
NOTE: Only nine seeds of Prosopis denudans were available for examination. Therefore, the description and images in this fact sheet may not be representative of this speciesí seeds.
Pods linear-oblong, falcate to annular, 2-8(11) cm long, 7-14 mm wide, 5-6 mm thick. Short-stipitate, apex rounded, mucronate, or acute, margins straight. Glabrous or puberulous, smooth, reddish-black, glossy when ripe, often cracking with age. Seed chambers sometimes visible, 10-20. Endocarp segments subquadrate, boney, closed, 6-8 mm long and wide, 4-6 mm thick; mesocarp pulpy-fibrous. Seeds oriented longitudinally.
Seeds obovate to asymmetrically obovate or elliptic in outline, 4-7 mm long, 2.5-4 mm wide, 1.75-3 mm thick, umbo absent, elliptic in cross section. Lens convex, recessed.
Pods are fairly distinctive in the genus.
Prosopis denudans var. patagonica (Speg.) Burkart (pod)
Prosopis denudans var. stenocarpa Burkart (pod). [No image available.] Pods falcate to annular, 5 mm in diameter, constricted between seed chambers, endocarp segments elongate, oblong.
Prosopis ruizlealii Burkart
Semidesert shrub steppe with very cold winters.
Prosopis denudans is a spiny shrub, 1-2 m tall. It is an extreme xerophyte, and is also the most frost hardy in the genus, growing at its southernmost limits. The wood is used for fuel. Seeds are dispersed by livestock that eat the pods.
For more information about the genus Prosopis, see the Prosopis fact sheet.