Fagaceae
Bur oak
Quercus macrocarpa
- Family
- Fagaceae
- Genus
- Quercus
Pet and kid safety: not checked yet. Check pet-safe plants
Is yours looking unwell? Scan your plant — free
Common names
By language (17)
- Arabic
- سنديان كبير الثمار
- arz
- سنديان كبير الثمار
- Bulgarian
- Едроплоден дъб
- Chinese
- 大果栎, 大果櫟
- chy
- Vó'omeoó'omêše
- Czech
- Dub velkoplodý
- English
- Bur oak, Mossy cup oak, Blue oak, Bur acorn, Burr acorn, Burr oak, Mossy-cup oak, Mossycup white oak
- Estonian
- Suureviljane tamm
- Finnish
- Takiaistammi
- French
- Chêne à gros fruits
- Hungarian
- Nagylevelű tölgy, Nagymakkú tölgy
- Icelandic
- Fjaðureik
- Latvian
- Dižzīļu ozols
- Norwegian Bokmål
- Borreeik
- Persian
- اوری
- Polish
- Dąb wielkoowocowy, Dąb wielkolistny
- Spanish
- Roble bur
Synonyms
- Cerris macrocarpa Raf.
- Quercus macrocarpa f. olivaeformis (F.Michx.) A.Gray
- Quercus macrocarpa f. orbiculata Trel.
- Quercus macrocarpa subsp. eumacrocarpa A.Camus
Flowers
- In flower
- April to May (from 90 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Mary Krieger, CC BY 4.0, from iNaturalist 
FlowerPhoto: Peter Chen 2.0, CC BY 4.0, from iNaturalist 
FlowerPhoto: djcooker, CC BY 4.0, from iNaturalist 
FlowerPhoto: Mary Krieger, CC BY 4.0, from iNaturalist 
LeavesPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist 
Photo: Peter Chen 2.0, CC BY 4.0, from Wikimedia Commons 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist 
Photo: peterwchen, CC BY 4.0, from Wikimedia Commons 
Photo: Mike B, CC BY-SA 4.0, from iNaturalist 
Photo: Cara, CC0, from iNaturalist 
Photo: Jonathan Sowers, CC0, from iNaturalist 
Photo: Sean Grasing, CC BY 4.0, from iNaturalist
More in Quercus
- Pedunculate oakQuercus roburFagaceae
- Cork oakQuercus suberFagaceae
- Sessile oakQuercus petraeaFagaceae
- Holm oakQuercus ilexFagaceae
- European turkey oakQuercus cerrisFagaceae
- Northern red oakQuercus rubraFagaceae
- Downy oakQuercus pubescensFagaceae
- Kermes oakQuercus cocciferaFagaceae
- Pin oakQuercus palustrisFagaceae
- White oakQuercus albaFagaceae
- Hungarian oakQuercus frainettoFagaceae
- Daimyo oakQuercus dentataFagaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.