Prosopis hassleri Harms
Family Fabaceae, Subfamily Mimosoideae
NOTE: Only one seed of Prosopis hassleri was available for examination. Therefore, the description and images in this fact sheet may not be representative of this species’ seeds.
Pods linear, straight to falcate; compressed, 14–24 cm long, 12–15 mm wide, ca. 4 mm thick. Stipitate, apex acuminate to caudate with beak 6–10 mm long, margins straight to slightly undulate. Smooth, straw-yellow, with faint, mostly parallel longitudinal ridges; seed chambers 24–33, sometimes umbonate. Endocarp segments boney, closed, subquadrate or rectangular, broader than long, 4–6.5 mm long, 10–14 mm wide, 3–5 mm thick; mesocarp pulpy, sweet. Seeds oriented longitudinally.
Prosopis fiebrigii Harms (Seeds and pods are similar.)
Prosopis alba Griseb. or P. alba Griseb. var. panta [No pod available] (non-FNW)
forms open, savanna-type woods
Prosopis humilis is a nearly leafless, spiny, erect to prostrate subshrub, 20–40 cm high. Its peculiar prostrate habit is an oddity. The mesocarp is thin and dry; pods break up into one-seeded segments.