Windsorina is a group of plants in the family Rapateaceae described as a genus in 1923.Gleason, Henry Allan. 1923. Bulletin of the Torrey Botanical Club 50: 148-152|Gleason, Henry Allan. 1923. Bulletin of the Torrey Botanical Club 50: 148-152 and plate 7 descriptions in Latin, commentary in English, line drawing as illustrationTropicos, Windsorina Gleason

The only known species is Windsorina guianensis, endemic to the Kaieteur National Park along the Potaro River in Guyana.Kew World Checklist of Selected Plant Families

The genus is named in honour of the House of Windsor, Royal Family of the United Kingdom.

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