Cybistax

Cybistax
C. antisyphilitica
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Lamiales
Family:	Bignoniaceae
Genus:	Cybistax Mart. ex Meisn.
Type species
C. antisyphilitica (Mart.) Mart.
Synonyms
List Bignonia antisyphilitica Mart. Bignonia quinquefolia Vell. Bignonia rivularis DC. Bignonia viridiflora Lodd. nom. inval. Cybistax coriacea Corr.Méllo ex Stellfeld nom. inval. Cybistax intermedia Corr.Méllo nom. inval. Cybistax quinquefolia (Vell.) J.F.Macbr. Cybistax sprucei K.Schum. nom. inval. Cybistax subtomentosa K.Schum. nom. inval. Cybistax tinctoria (Spruce) Tittel Phryganocydia antisyphilitica Mart. ex DC. nom. inval. Yangua tinctoria Spruce

Cybistax is a genus containing a single species, Cybistax antisyphilitica (Mart.) Mart., a flowering and economic timber tree from tropical Central and South America. These semi-deciduous plants have greyish green, opposite, palmately compounded leaves and close-grained, light-colored wood good for furniture. In early spring, the plants bear showy clusters of bright yellow, funnel-shaped flowers 2-2.5 cm wide at branch ends. Pods are 25–50 cm long, straight, pendulous and brown with thin, flat seeds inside. The seeds have papery wings.

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