Fagaceae
Water oak
Quercus nigra
- Family
- Fagaceae
- Genus
- Quercus
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Common names
By language (14)
- Afrikaans
- Watereik
- Arabic
- سنديان أسود, بلوط أسود
- arz
- سنديان اسود
- Azerbaijani
- Qara palıd
- Bulgarian
- Черен дъб
- Cherokee
- ᏙᎳᏥ
- Chinese
- 水栎, 水櫟, 黑栎
- Czech
- Dub černý
- English
- Water oak, Duck oak, Orange oak, Possum oak, Punk oak, Spotted oak
- Japanese
- ミズガシ
- Latvian
- Melnais ozols
- Norwegian Bokmål
- Vasseik
- Persian
- بلوط سیاه
- Polish
- Dąb wodny
Synonyms
- Quercus agnostifolia hort. ex K.Koch
- Quercus aquatica (Lam.) Walter
- Quercus aquatica var. attenuata Aiton
- Quercus aquatica var. cuneata Aiton
- Quercus aquatica var. dentata A.DC.
- Quercus aquatica var. elongata Aiton
- Quercus aquatica var. hybrida Chapm.
- Quercus aquatica var. indivisa Aiton
- Quercus aquatica var. nana (Willd.) Nutt.
- Quercus aquatica var. stipitata A.DC.
- Quercus bumelifolia Riddell
- Quercus dentata W.Bartram
- Quercus genabii hort. ex K.Koch
- Quercus hemisphaerica var. nana (Willd.) Sarg.
- Quercus ludoviciana var. microcarpa (Dippel) Rehder
- Quercus marylandica Du Roi
- Quercus microcarya Small
- Quercus nana Willd.
- Quercus nigra f. microcarya (Small) Trel.
- Quercus nigra f. microcarya (Small) Sarg.
- Quercus nigra f. nigra
- Quercus nigra f. plenocarpa Trel.
- Quercus nigra f. saxicola Trel.
- Quercus nigra f. tridentifera (Sarg.) Trel.
- Quercus nigra var. aquatica Lam.
- Quercus nigra var. heterophylla Ashe
- Quercus nigra var. megacarpa Ashe
- Quercus nigra var. microcarya (Small) Trel.
- Quercus nigra var. nigra
- Quercus nigra var. plenocarpa Trel.
- Quercus nigra var. saxicola Trel.
- Quercus nigra var. tridentata A.DC.
- Quercus nigra var. tridentifera Sarg.
- Quercus novi-orleani Petz. & G.Kirchn.
- Quercus noviorleani G.Kirchn.
- Quercus phellos var. microcarpa Dippel
- Quercus plenocarpa Small ex Trel.
- Quercus quinqueloba Engelm.
- Quercus subfalcata var. microcarpa Sarg.
- Quercus uliginosa Wangenh.
Flowers
- In flower
- February to April (from 30 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Tree
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Alicia Ballard, CC BY 4.0, from iNaturalist 
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist 
FlowerPhoto: Claire Herzog, CC BY 4.0, from iNaturalist 
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist 
FruitPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist 
Photo: Bmerva, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Texas Bird Family, CC BY 4.0, from iNaturalist 
Photo: Michael Wolf, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Cody Stricker, CC BY 4.0, from iNaturalist 
Photo: Michael Wolf, CC BY-SA 3.0, from Wikimedia Commons 
Photo: lanechaffin, CC0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
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.