A new species of Clathrotropis from Colombia (Papilionaceae)

Arbor excelsa, usque ad 40 m alta, ramulis teretibus lenticellatis, novellis brunneo-tomentosis. Stipulae mox deciduae, lanceolatae, 3 mm longae, pubescentes. Petioli 4-12 cm longi, pubescentes, glabrescentes; petioluli circ. 1 cm longi, pubescentes; foliola (3-)5(-7), coriacea vel chartacea, oblonga vel obovato-oblonga, apice abrupte breviter acuminata,'basi rotundata vel obtusa, 11-25 cm longa, 5-12 cm lata, nitida, reticulato-venosa, supra glabra, subtus in costa et nervis lateralibus pubescentia, ceterum glabrata, nervis lateralibus utrinque 9-13, supra prominulis, subtus conspicuis prominentibus. Panicula ampla, valde ramosa, circ. 25 cm longa, atro-brunneo-tomentosa, pilis brevibus flexuosis. Bracteae lanceolatae, 2 mm longae, caducissimae; bracteolas non vidi. Flores subsessiles, basi cum pedicello brevissimo articulati. Calyx campanulatus, herbaceus, basi ± obtusus, ± 6 mm altus, dentibus triangularibus, duobus superioribus altius connatis. Corolla glabra, atroviolacea. Vexillum orbiculare, 9 mm longum, 6 mm latum, basi biauriculatum in unguiculum 3 mm longum contractum. Alae et carinalia subaequales, oblongae, basi biauriculatae, circ. 1 cm longae, 3-4 mm latae unguiculo 3 mm longo praeditae. Filamenta 10, libera, inaequalia, basin versus paullulum dilatata et sparse puberula. Ovarium dense sericeo-villosum. Legumen oblongum, plano-compressum, lignosum, elastice dehiscens, obsolete reticulatum, glabratum, 14-18 cm longum, 5-7 cm latum, suturis vix dilatatis. Semina 2, oblonga, immatura iam 4 cm longa, 2 cm lata. Colombia: Border between the departments Antioquia and Bolivar (± 74°15'W, 6°55'N). Secondary forest near the confluence of the rivers Ite and Tamar into the river Cimitarra, ± 38 km W. of Barrancabermeja. Altitude — 150 m. Tree ± 40 m tall. Buttresses up to 1 m high. Bark rough, greyish-brown. Tree with cylindrical bole and spreading crown. D.B.H. 45 cm, bark 1.5 cm. Wood: sapwood creamywhite, 3 cm, heartwood 18 cm, dark brown. First branches at 22 m. Branches greyish-brown. Leaflets papery to coriaceous, smooth, glossy, dark green above, slightly glossy and paler beneath. Scape dark brownish green, calyx dark brownish-green; corolla dark violet, filaments white, anthers white, medium brown in the middle, pistil white. Pod yellowish-green, at maturity medium to dark brown. De Bruijn 1492, typus (WAG), 1520, 1521, d.d. 24-27. 11. 1967; 1490 ster. Antioquia, ± 30 km S.E.E. of Remedies (± 74°30'W, 6°55'N), altitude 600 m. Secondary ? forest. Breteler 5189 d.d. 9.6.1966, ster., tree, 15 m tall. D.B.H. 13 cm. Wood pale brown. Heartwood dark brown. Leaflets coriaceous, smooth, glossy and dark green above, slightly glossy and pale green beneath. Same locality: De Bruijn 1551, fl. 2.3.1967 (WAG).