Quick Facts
- Related Topics:
- oak
- Rocky Mountain scrub oak
- California scrub oak
- scrub oak
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California scrub oak
The small leaves of a California scrub oak (Quercus berberidifolia).
scrub oak
tree group
scrub oak, any of several small shrubby trees of the genus Quercus, in the beech family (Fagaceae), native to dry soils in North America. See also oak.
Specifically, scrub oak refers to Q. ilicifolia, also known as bear oak, native to the eastern United States. It is an intricately branched ornamental shrub, about 6 meters (20 feet) tall, with hollylike leaves and many small striped acorns.
Taxonomy
- Kingdom: Plantae
- Clade: Angiosperm
- Order: Fagales
- Family: Fagaceae
- Genus: Quercus
In the west are the California scrub oak (Q. berberidifolia) and Nuttall’s scrub oak (Q. dumosa), an endangered species that grows as an evergreen shrub about 2.5 meters (8 feet) tall, with leaves 2.5 cm (1 inch) long. The Rocky Mountain scrub oak, or Gambel oak (Q. gambelii), grows up to 9 meters (30 feet) tall.
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Trees: Giants Holding the Sky
The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Melissa Petruzzello.

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