Ormosia melanocarpa Kleinh.
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Authority
Rudd, Velva E. 1965. The American Species of Ormosia (Leguminosae). Contr. U. S. Natl. Herb. 32(5): 279-384.
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Family
Fabaceae
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Scientific Name
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Type
Type locality: In Forest Reserve, "Sektion O," Surinam. Type from tree no. 775, (Herb. no. 4699, without collector's name), cited below.
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Description
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Description - Tree; young stems fulvo- or ferrugino-pubescent with appressed hairs, glabrescent; stipules minute, deltoid, pubescent, scarcely 1 mm. long, caducous; leaves 7-11-foliolate, the axis about 8-10 cm. long, tomentulose, glabrescent, the petiole 3-5 cm. long, the pairs of leaflets 2-2.5 cm. apart, the petiolules 3-5 mm. long and 1-1.5 mm. in diameter, the blades subcoriaceous, ovate to elliptic-oblong, 5-11 cm. long, 3-5 cm. broad, the apex breviacuminate, the base rounded, the upper surface glabrous, nitid, the lower surface glabrous or minutely and sparsely appressed-pubescent, the major secondary veins inconspicuous, about 7-9 pair, irregularly spaced, forming angles of 40°-50° with the midvein; inflorescence with axes fulvo-pubescent, the hairs mostly appressed, the bracts deltoid-ovate, about 1 mm. long and 1 mm. broad, the bracteoles linear, mostly less than 1 mm. long; flowers about 6 mm. long; calyx about 4 mm. long, fulvous, appressedpubescent, the tube about 3 mm. long and 2 mm. in diameter, the teeth about 1 mm. long; corolla dark brown (fide Kleinhoonte); fruit dehiscent, coriaceous, black or blackish brown, glabrous, nitid, 1- or 2-seeded, 2-3 cm. long, 1.3-1.8 cm. broad, scarcely constricted between the seeds, 8-9 mm. thick, the valves 1-2 mm. thick; seeds dark red, 7-9 mm. long, 6-8 mm. broad, and 6 mm. thick, the hilum elliptic, about 1.2 mm. long and 0.8 mm. wide.
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Discussion
The flowers, fruit, and seeds of this species are smaller than average for the genus, as well as for the section Unicolores. It has been especially helpful in preparing a description to have material in flower and fruit known to be from the same tree. Otherwise, O. melanocarpa has been little collected.
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Common Names
St. Martin jaune, agipau, awaakoko, barakaro korero ibibero iwi, Kokriki