Cobana Negra

Stahlia monosperma (Tul.) Urban, Symb. Ant. 2: 285. 1900
Caesalpinia monosperma Tul. Arch. Mus. Paris 4: 14S. 1844. Stahlia maritima Bello, Anal. Soc. Esp. Hist. Nat. 10: 255. 1881.
A tree, up to 20 m. high, with glabrous twigs and leaves. Petioles 1-2.5 cm. long; leaflets 6-12, mostly opposite, short-stalked, 5-9 cm. long, ovate to ovate-lanceolate, entire or irregularly crenulate, shining above, dull beneath, acute or short-acuminate at the apex, truncate, obtuse or subcordate at the base; racemes 10-15 cm. long, the rachis, bracts, pedicels and calyx sparingly pilose; pedicels stout, recurved, 4-8 mm. long; sepals ovate, obtuse, about 6 mm. long; petals 10-12 mm. long; stamens deflexed, about as long as the petals; legume 5 cm. long or less, about 2.5 cm. wide and 1 cm. thick, purple, coriaceous, 1-seeded.
Type locality: Porto Rico. Distribution: Porto Rico; Vieques.