Quercus durataJeps.

leather oak

WFO wfo-0000290596 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Quercus durata, photographed by joergmlpts
fig. a joergmlpts, CC BY 4.0 / 2022-06-09 / obs. 204719988

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.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 323 observations

Flowering observations of Quercus durata by month
MonthObservations
Jan1
Feb4
Mar22
Apr75
May119
Jun30
Jul30
Aug16
Sep13
Oct9
Nov2
Dec2

Peak flowering in May, from 323 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 3 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.

  • Quercus dumosa subsp. durata (Jeps.) A.Camus
  • Quercus dumosa var. bullata Engelm.
  • Quercus dumosa var. revoluta Sarg.

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.