Quercus longinuxHayata

WFO wfo-0000291754 Accepted WFO 2026-06 8 photographs CC BY

Plate 1 figs. a–h · 8 separate observations

Quercus longinux, photographed by Cheng-Te Hsu
fig. a Cheng-Te Hsu, CC BY 4.0 / 2022-03-12 / obs. 182537037
Quercus longinux, photographed by poyin
fig. b poyin, CC BY 4.0 / obs. 170209187
Quercus longinux, photographed by Jacy Chen
fig. c Jacy Chen, CC BY 4.0 / obs. 110881259
Quercus longinux, photographed by Jacy Chen
fig. d Jacy Chen, CC BY 4.0 / obs. 109727597
Quercus longinux, photographed by Jacy Chen
fig. e Jacy Chen, CC BY 4.0 / obs. 109509771
Quercus longinux, photographed by Jacy Chen
fig. f Jacy Chen, CC BY 4.0 / obs. 158619632
Quercus longinux, photographed by Jacy Chen
fig. g Jacy Chen, CC BY 4.0 / obs. 57804019
Quercus longinux, photographed by 呂一起(Lyu yi-chi)
fig. h 呂一起(Lyu yi-chi), CC BY 4.0 / obs. 31952700

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 1 botanical country

Regions where Quercus longinux is native: Taiwan Taiwan
Native distribution of Quercus longinux, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Taiwan TAI ASIA-TEMPERATE

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Also published as 17 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Cyclobalanopsis kanehirae Nakai
  • Cyclobalanopsis longinux (Hayata) Schottky
  • Cyclobalanopsis longinux var. kanehirai (Nak.) J.C.Liao
  • Cyclobalanopsis longinux var. kuoi J.C.Liao
  • Cyclobalanopsis longinux var. lativiolaceifolia J.C.Liao
  • Cyclobalanopsis longinux var. pseudomyrsinifolia (Hay.) J.C.Liao
  • Cyclobalanopsis pseudomyrsinifolia Schottky
  • Cyclobalanopsis taichuensis (Hayata) Schottky
  • Quercus glauca subsp. longinux (Hayata) Menitsky
  • Quercus glauca var. longinux (Hayata) Menitsky
  • Quercus kanehirae Nakai
  • Quercus kanehirai Nakai
  • Quercus longinux var. kanehirai (Nakai) J.C.Liao
  • Quercus longinux var. kuoi (Liao) C.F.Shen
  • Quercus longinux var. pseudomyrsinifolia (Hayata) J.C.Liao
  • Quercus pseudomyrsinifolia Hayata
  • Quercus taichuensis Hayata

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.