Fagaceae
Blackjack oak
Quercus marilandica
- Family
- Fagaceae
- Genus
- Quercus
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Common names
By language (3)
- Chinese
- 马里兰得栎, 馬里蘭橡
- English
- Blackjack oak, Scrub oak
- mis
- Wewchëlitunas
Synonyms
- Quercus cuneata Wangenh.
- Quercus dilatata Raf.
- Quercus ferruginea F.Michx.
- Quercus marilandica f. aequilobata Trel.
- Quercus marilandica f. cuneata (Wangenh.) Trel.
- Quercus marilandica f. incisa Trel.
- Quercus marilandica f. integrifolia (Marshall) Trel.
- Quercus marilandica f. obovata Trel.
- Quercus marilandica f. paucidentata Trel.
- Quercus marilandica f. quinqueloba Trel.
- Quercus marilandica f. sublyrata Trel.
- Quercus marilandica f. subquinqueloba Trel.
- Quercus marilandica f. subtypica Trel.
- Quercus marilandica f. truncata Trel.
- Quercus marilandica var. ashei Sudw.
- Quercus neoashei Bush
- Quercus nigra var. integrifolia Marshall
- Quercus nigra var. marilandica L.
- Quercus nigra var. quinqueloba A.DC.
- Quercus nobilis Hort.Ottoland. ex Mast.
Flowers
- In flower
- March to April (from 63 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Brand R, CC BY 4.0, from iNaturalist 
FlowerPhoto: Eric Schmidt, CC BY 4.0, from iNaturalist 
FlowerPhoto: Luke Wildfire, CC BY 4.0, from iNaturalist 
FlowerPhoto: L. K. Holt, CC BY 4.0, from iNaturalist 
Photo: er-birds, CC BY 4.0, from iNaturalist 
Photo: Jason Sturner, CC BY 2.0, from Wikimedia Commons 
Photo: Douglas Goldman, CC BY-SA 4.0, from iNaturalist 
Photo: Jason Sturner, CC BY 2.0, from Wikimedia Commons 
Photo: Alicia Ballard, CC BY 4.0, from iNaturalist 
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: lanechaffin, CC0, from iNaturalist 
Photo: Bruce Kirchoff from Greensboro, NC, USA, CC BY 2.0, 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.