Acer pseudoplatanusL.

sycamore maple

WFO wfo-0000514908 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Acer pseudoplatanus, photographed by Daniel Cahen
fig. a Daniel Cahen, CC BY 4.0 / 2022-06-12 / obs. 205533367
Acer pseudoplatanus, photographed by Alexis Tinker-Tsavalas
fig. b Alexis Tinker-Tsavalas, CC BY 4.0 / obs. 205534555
Acer pseudoplatanus, photographed by Josep Gesti
fig. c Josep Gesti, CC BY-SA 4.0 / obs. 205202184
Acer pseudoplatanus, photographed by Zeke Marshall
fig. d Zeke Marshall, CC BY 4.0 / obs. 204350611
Acer pseudoplatanus, photographed by Matthew Vosper
fig. e Matthew Vosper, CC BY 4.0 / obs. 203792830
Acer pseudoplatanus, photographed by Yann Kemper
fig. f Yann Kemper, CC0 1.0 / obs. 203167244
Acer pseudoplatanus, photographed by Alexis Tinker-Tsavalas
fig. g Alexis Tinker-Tsavalas, CC BY 4.0 / obs. 203425193
Acer pseudoplatanus, photographed by Andrew Skotnicki
fig. h Andrew Skotnicki, CC BY 4.0 / obs. 203774336

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.

Flowering n = 542 observations

Peak flowering in May, from 542 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 98 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 abchasicum Rupr.
  • Acer atropurpureum Dippel
  • Acer bohemicum C.Presl ex Opiz.
  • Acer dittrichii Ortm.
  • Acer erythrocarpum Dippel
  • Acer euchlorum Dippel
  • Acer fieberi Opiz
  • Acer majus Gray
  • Acer melliodorum Opiz
  • Acer montanum Garsault
  • Acer opizii Ortmann ex Opiz.
  • Acer opulifolium Thuill.
  • Acer procerum Salisb.
  • Acer pseudoplatanus f. albertsii Schwer.
  • Acer pseudoplatanus f. albomarmoratum Pax
  • Acer pseudoplatanus f. albovariegatum (Hayne ex Loudon) Schwer.
  • Acer pseudoplatanus f. annae Schwer.
  • Acer pseudoplatanus f. argutum Schwer.
  • Acer pseudoplatanus f. atropurpureum Schwer.
  • Acer pseudoplatanus f. aucubifolium Schwer.
  • Acer pseudoplatanus f. aureovariegatum Schwer.
  • Acer pseudoplatanus f. bicolor Schwer.
  • Acer pseudoplatanus f. brevialatum Schwer.
  • Acer pseudoplatanus f. complicatum (H.Mort.) Schwer.

and 74 more.

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.

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