Peltophorum dubium explained

Peltophorum dubium is a tree in the family Fabaceae and subfamily Caesalpinioideae. This species is known as the Ibirá-pitá in Argentina and Paraguay, árbol de Artigas in Uruguay, and Cambuí ^[1] 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.

Habitat

They are native to the seasonal deciduous forests of subtropical and temperate regions of South America.^[2] They grow on the riverbanks in the south of Brazil, the northeast of Argentina, Paraguay and in the north of Uruguay. They have also been planted along the avenues of Buenos Aires, Montevideo and Porto Alegre.

Varieties

Three varieties are accepted:

• Peltophorum dubium var. adnatum
• Peltophorum dubium var. berteroanum
• Peltophorum dubium var. dubium (synonym Peltophorum vogelianum)

Notes and References

1. Web site: Floração dos cambuís ajuda a alegrar a paisagem das asas Sul e Norte. Correio. Braziliense. 19 January 2016.
2. Web site: UFSM. Seasonal Deciduous Forest (in Portuguese).