Paullinia fuscescens

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Paullinia fuscescens


Woody vine 3-7 m long. Stems cylindrical, tomentose or tomentulose, to 5 mm in diameter, producing scanty watery latex; cross section with a single vascular cylinder. Stipules triangular, ca. 1 mm long. Leaves biternate; petioles unwinged, 7-12 mm long; rachis narrowly winged, 1-1.6 cm long; leaflets chartaceous, with serrate, revolute margins, adaxial surface shiny, sparsely pubescent on the midvein, abaxial surface dull, with glandular papillae, the venation prominent and puberulent, with a tuft of hairs in the secondary vein axils; distal leaflet lanceolate, 4-6 × 1.5-2.5 cm, the apex acuminate, the acumen obtuse, the base long-attenuate; lateral leaflets almost elliptical, 1-2 × 0.7-1 cm, the apex obtuse, the base acute or obtuse. Thyrses axillary, racemiform, solitary, with tomentose axis; flowers sessile, in lateral cincinni. Calyx whitish green, with 5 sepals, 2-2.5 mm long; petals white, oblanceolate, cuneate at the base, 2-3 mm long; appendages slightly shorter than the petals, fleshy and yellow at the crest; disc of twoobtuse-triangular lobes; stamens with unequal puberulent filaments; ovary trilocular. Capsule three-winged, red, 1-1.5 cm long. Seeds one per locule, black, obovoid, slightly laterally compressed, ca. 6 mm long, with a white and emarginate sarcotesta on lower half.


Northern America, Southern America: Colombia (Colombia); Ecuador (Ecuador); Venezuela (Venezuela), Suriname, Tobago, Trinidad
Native to Mexico, Central America, Trinidad, Tobago, Colombia, Venezuela, Suriname and Ecuador (SU: 4).


Woody vine .1
1. 001


1 There is a collection of Hostmann and Kappler (Apr 1844) at S marked as type of P. micropterygia, however, this specimen can not be the type as the original description is based on a collection of Focke that was collected prior to 1843.