Macrolobium flexuosum Spruce ex Benth.
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Authority
Maguire, Bassett, et al. 1953. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 8 (2): 87-160.
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Family
Caesalpiniaceae
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Scientific Name
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Description
Species Description - Tree 7-10 m. tall, the branchlets puberulous or pilose. Petioles 6-9 mm. long, sulcate lightly or canaliculate on the upper surface, pilosulose or puberulous. Leaf blades oblong-elliptic or broadly elliptic, 10-l6-jugate, the pairs of leaflets 9-20 mm. apart; rachis 11-21.5 cm. long, pilosulose, or sparsely puberulous on the axis and the wing margins. Leaflets 11-45 mm. long, 5-15 mm. wide, oblong, the base inequilateral, the upper side obtuse to subcordate, the lower side acute to subobtuse, the apex rotund or truncate, obtusely or acutely emarginate; upper surface lustrous, glabrous except puberulous on the costa, the hairs uncinate or arcuate, beneath pilosulose, sometimes sparingly so, costa more strongly pubescent; costa impressed or subsalient above, salient beneath, the venules numerous, closely parallel, prominent on both surfaces or obscure beneath. Inflorescences 3.5-6.5 cm. long, rarely with a lateral branchlet,the axis puberulous, the peduncle 1-2 mm. long; bracts 1.5-3 mm. long, 1.5 mm. wide, early caducous, triangularovate, ciliolate, glabrous within, puberulous or short-pilosulose externally; pedicels 2-3.5 mm. long, puberulous; bracteoles 5-6.5 mm. long, 3—3.5 mm. wide, elliptic, cuspidate-acute, appressed-puberulous or short-pilosulose externally, villosulose within. Hypanthium 1.5-2 mm. long, glabrous or sparsely pilosulose. Sepals five, free or the adaxial pair slightly united at the base, the dorsal pair 2-2.5 mm. long, 1.5 mm. wide, triangular, the others 3—3-5 mm. long, 1.5-3 mm. wide, oblong to oval or lanceolate, ciliolate apically. Petal blade 3-5 mm. long, 4 mm. wide, suborbicular, pilosulose up to the center externally, glabrous or villosulose sparsely within, the claw 4-7.5 mm. long, glabrous or pilosulose externally, ciliolate, villosulose within. Filaments villosulose basally. Stigma simple or capitellate. Style pilosulose at the base. Ovary 1.5-2 mm. long, 1-1.5 mm. wide, linearelliptic or oblong, marginally pilosulose or villosulose, laterally pilosulose or glabrous, 2-4-ovulate, the gynophore 1.5-2 mm. long, pilosulose, inserted in the base of the hypanthium. Fruit unknown.