Article · Wikipedia archive · Last revised May 31, 2026

Trigonobalanus

Trigonobalanus is a genus of three species of evergreen trees in the family Fagaceae, related to oaks, beeches and chestnuts. The species are widely scattered, with one in northern South America and two in southeast Asia; some botanists treat the three species in separate genera. The three species, with their authors, major synonyms, and distribution, are:Trigonobalanus doichangensis (A.Camus) Forman – subtropical Yunnan to northern Thailand Trigonobalanus excelsa Lozano, Hern. Cam. & Henao – endemic to Colombia Trigonobalanus verticillata Forman – tropical Indonesia and the Malay Peninsula

Last revised
May 31, 2026
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≈ 1 min
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Source
Trigonobalanus
Trigonobalanus doichangensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Subfamily: Quercoideae
Genus: Trigonobalanus
Forman 12
Species

See text

Synonyms12
  • Colombobalanus Nixon & Crepet
  • Formanodendron Nixon & Crepet

Trigonobalanus is a genus of three species of evergreen trees in the family Fagaceae, related to oaks, beeches and chestnuts. The species are widely scattered, with one in northern South America and two in southeast Asia; some botanists treat the three species in separate genera. The three species, with their authors, major synonyms, and distribution, are:

References

References

  1. "Trigonobalanus Forman". Plants of the World Online. Royal Botanic Gardens, Kew. 2026. Retrieved 8 April 2026.
  2. "Trigonobalanus Forman". Catalogue of Life (Version 2026-02-13 XR). Catalogue of Life Foundation, Amsterdam, Netherlands. 2026. Retrieved 8 April 2026.