Images of the Black Jack Oak (Quercus marilandica)

Black Jack Oak

Quercus marilandica

This small tree is native to the southern and central United States. The trees can grow up to 15 m tall and have distinctive dark gray, cracked bark with vertical orange fissures. The dense wood of this species produces a hot flame when burned and can quickly dull a chainsaw.

Habitat:Dry, sandy or shaly soils, savannahs and in forests adjacent to grasslands.

Growth Habit:Deciduous tree, growing to 20 m tall.

Bloom Time:Mid-spring to early summer.

Longevity:Long-lived.

Presence in US:AL AR DC DE FL GA IA IL IN KS KY LA MD MO MS NC NE NJ NY OH OK PA SC TN TX VA WA

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This project was supported in part by NSF Grant IIS-03-25867 (ITR: An Electronic Field Guide: Plant Exploration and Discovery in the 21st Century) and by the Washington Biologists' Field Club.

Any opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the official views, opinions, or policy of the National Science Foundation (NSF).