Prosopis fiebrigii Harms
Fabaceae
Mimosoideae
NOTE: Only two seeds of Prosopis fiebrigii were available for examination. Therefore, the description and images in this fact sheet may not be representative of this species’ seeds.
mesquite
Pods linear, straight or subfalcate to falcate, compressed, 14–29 cm long, 11–18 mm wide, ca. 4 mm thick. Stipitate, acuminate at apex, margins nearly straight. Smooth, straw-yellow when ripe, veins faint, mostly parallel longitudinal ridges; seed chambers 23–32, umbonate before ripening. Endocarp segments subquadrate, boney, closed, broader than long, ca. 5 mm long, 10–15 mm wide, 2–3 mm thick; mesocarp pulpy. Seeds oriented longitudinally.
Seeds asymmetrically obovate or broadly oblong in outline, 5–6.5 mm long, 2.5–4.25 mm wide, 1.75–2.5 mm thick, with an umbo, elliptic in cross section. Pleurogram rather wide, with long arms. Lens a light-colored mound.
Seeds are asymmetrically oblong and have a rather large, wide pleurogram.
Prosopis alba Griseb. var. panta (Pod is similar.). [No image available.] (non-FNW)
Prosopis hassleri Harms (Pod is similar.)
Argentina, Brazil, Paraguay
dry, open grassland areas
Prosopis fiebrigii is a mostly unarmed tree, 4–15 m tall. This species is quite localized and rare. The pulp of the pod is probably edible.