Peltophorum dubium

"Ibirapitá" redirects here. For the exoplanet named after the tree, see HD 63454 b.

Peltophorum dubium is a tree in the family Fabaceae and subfamily Caesalpinioideae. This species is known as ibirá-pitá^[2] in Argentina and Paraguay, árbol de Artigas^[1] in Uruguay, and Cambuí^[3] in Brazil. It is a large tree, growing around 20–25 meters, with a more or less straight trunk.

• Foliage: bright green, and deciduous
• Leaves: compound, bipinnate, large. Numerous leaves with a central nervous system.
• Flowers: from 2 cm in diameter, arranged in bundles that end in spikes. The bright visible flowers are in corollas. They flower in the summer and at the beginning of autumn.
• Fruits: indehiscent{?} legume, flat, leathery, and brown.
• Seeds: cylindrical with hard nuts.

Flowers of Peltophorum dubium.

Close-up of flowers

Peltophorum dubium
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Caesalpinioideae
Genus:	Peltophorum
Species:	P. dubium
Binomial name
Peltophorum dubium (Spreng.) Taub. (1892)
Synonyms[1]
Baryxylum dubium (Spreng.) Pierre (1899) Brasilettia dubia (Spreng.) Kuntze (1891) Caesalpinia dubia Spreng. (1825)

Habitat

They are native to the seasonal deciduous forests of subtropical and temperate regions of South America.^[4] They grow on riverbanks in southern Brazil, northeastern Argentina, Paraguay and northern Uruguay. They have also been planted along the avenues of Buenos Aires, Montevideo and Porto Alegre.

Varieties

Three varieties are accepted:^[1]

• Peltophorum dubium var. adnatum (Griseb.) Barneby
• Peltophorum dubium var. berteroanum (Urb.) Barneby
• Peltophorum dubium var. dubium (synonym Peltophorum vogelianum Benth.)