Acer shirasawanumKoidz.

Fullmoon mapleShirasawa's maple

WFO wfo-0000515098 Accepted WFO 2026-06 8 photographs CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Acer shirasawanum, photographed by Marco Mussita
fig. a Marco Mussita, CC BY 4.0 / 2020-07-02 / obs. 82247849
Acer shirasawanum, photographed by Marco Mussita
fig. b Marco Mussita, CC BY 4.0 / obs. 56683325
Acer shirasawanum, photographed by harum.koh
fig. c harum.koh, CC BY-SA 4.0 / obs. 10942841
Acer shirasawanum, photographed by harum.koh
fig. d harum.koh, CC BY-SA 4.0 / obs. 10695260
Acer shirasawanum, photographed by harum.koh
fig. e harum.koh, CC BY-SA 4.0 / obs. 10724367
Acer shirasawanum, photographed by harum.koh
fig. f harum.koh, CC BY-SA 4.0 / obs. 10695064
Acer shirasawanum, photographed by Marco Mussita
fig. g Marco Mussita, CC BY 4.0 / obs. 8259462
Acer shirasawanum, photographed by Marco Mussita
fig. h Marco Mussita, CC BY 4.0 / obs. 90409823

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 Acer shirasawanum is native: Japan Japan
Native distribution of Acer shirasawanum, 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
Japan JAP 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 6 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.

  • Acer dissectum var. tenuifolium (Koidz.) Koidz.
  • Acer japonicum f. aureum (Siesmayer) Schwer.
  • Acer japonicum var. aureum Siesmayer
  • Acer japonicum var. microphyllum Siesmayer
  • Acer shirasawanum f. aureum (Siesm.) Delendick
  • Acer shirasawanum var. tenuifolium Koidz.

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. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. 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.