Robinia

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Robinia
Image:Robina9146.JPG
Robinia pseudoacacia
Scientific classification
Kingdom:Plantae
Division:Magnoliophyta
Class:Magnoliopsida
Order:Fabales
Family:Fabaceae
Subfamily:Faboideae
Tribe:Robinieae
Genus:Robinia
Species

Between 8-10; see text

Robinia is a genus of flowering plants in the family Fabaceae, subfamily Faboideae, native to North America and northern Mexico. They are deciduous trees and shrubs growing 4-25 m tall, with pinnate leaves with 7-21 oval leaflets. The flowers are white or pink, in usually pendulous racemes. Many species have thorny shoots, and several have sticky hairs on the shoots.

The genus is named after the French gardener Jean Robin, who introduced the plant in Europe in 1601.

The number of species is disputed between different authorities, with as few as four recognised by some authors, while others recognise up to ten species. There are also several natural hybrids.

Robinia species are sometimes used as food plants by the larvae of some Lepidoptera species including Buff-tip.

Species

(*: not accepted as distinct by all authorities)

Hybrids
  • Robinia × ambigua - R. pseudoacacia × R. viscosa
  • Robinia × holdtii - R. neomexicana × R. pseudoacacia
  • Robinia × longiloba - R. hispida × R. viscosa
  • Robinia × margarettiae - R. hispida × R. pseudoacacia


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