Macrolobium suaveolens var. rondonianum (Hoehne) R.S.Cowan
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Authority
Cowan, Richard S. 1953. A taxonomic revision of the genus Macrolobium (Leguminosae-Caesalpinioideae). Mem. New York Bot. Gard. 8 (1): 257-342.
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Family
Caesalpiniaceae
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Scientific Name
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Description
Species Description - Tree with glabrous branchlets and leaves. Petioles 4-5 mm. long. Leaflets 9.5-13 cm. long, 3.5-5 cm. wide, arcuate, acute to long-acuminate, the extremity usually obtuse, punctate on the lower surface, the venules prominulous above, prominulous to prominent beneath. Inflorescences 2-4.5 cm. long; bracts triangular, acute, glabrous except for the ciliolate margins or very minutely puberulous externally; pedicels 1-2.5 mm. long, glabrous or sparsely and minutely puberulous; bracteoles 5.5-6 mm. long, 2.5-3.5 mm. wide, oblong, glabrous within, sparsely and minutely puberulous outside, at least near the apex. Sepals 1.5-3 mm. long, 0.5-1.5 mm. wide, more or less ciliolate. Petal blade 3-4.5 mm. long, 3.5-4.5 mm. wide, transversely oval, the claw 4-4.5 mm. long, exauriculate. Filaments 17-17.5 mm. long, sparsely villose basally. Stigma capitellate to capitate. Style 14.5 mm. long, basally minutely puberulous. Ovary 2 mm. long, 1-1.5 mm. wide, minutely puberulous on all surfaces, the gynophore 2.5 mm. long, minutely puberulous.
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Discussion
Macrolobium Rondonianum Hoehne, Comm. Linh. Teleg. Ann. 5, Bot. pt. 8: 32. 1919.
Although no authentic material of Hoehne's species has been examined, it appears probable from his published plate and description that his species is identical with this variety. Accordingly the epithet is retained in a new combination. The type material is probably at the Museo Goeldi but material of this genus has not been received from that institution.