Quercus bicolor (Swamp White Oak)

Quercus bicolor

Quercus bicolor Willd.

Swamp White Oak

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Rosidae	Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
Order	Fagales	Birch, she-oak, beech, walnut, bayberry, others
Family	Fagaceae	Beech familhy
Genus	Quercus	Latin for “oak”
Species	bicolor	“Two-colored” (Does anybody know what is bicolored about it?)

About plant names...

Swamp white oak is native to eastern North America.

Identification: Trees reach a height of 70' (21 m), with the largest known at 108' (32 m). Bark is dark brown, and flaky. Leaves have many small lobes that may be rounded or somewhat sharp; they are 4-8" (10-20 cm) long. Leaf undersides are whitish. In the fall, leaves have an orange-brown or red color. See the Quercus comparison table.

Online References:

Quercus bicolor at the University of Connecticut Plant Database

Quercus bicolor at the Virginia Tech Department of Forest Resources and Environmental Conservation

Quercus bicolor at the Ohio State University PLANTFacts database

Quercus bicolor at the USDA Forest Service's Silvics of North America site

Quercus bicolor at the Missouri Botanical Garden

Quercus bicolor at the Lady Bird Johnson Wildflower Center

Quercus bicolor on Plants for a Future, a resource and information centre for edible and otherwise useful plants

Quercus bicolor on eFloras

References:

Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, p. 208

10/11/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 10 × 13" (25 × 31 cm)

Quercus bicolor description by Thomas H. Kent, last updated 25 May 2020.

5/29/2010 · Nashua River Rail Trail, Pepperell, MA
≈ 11 × 7" (27 × 18 cm) ID is uncertain

Immature acorns. · 8/18/2012 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 3½ × 5" (9.2 × 13 cm)

10/5/2009 · Nashua River Rail Trail, Groton, MA
≈ 24 × 16" (60 × 40 cm) ID is uncertain

5/29/2010 · Nashua River Rail Trail, Pepperell, MA
≈ 7 × 11" (18 × 27 cm) ID is uncertain

10/5/2009 · Nashua River Rail Trail, Groton, MA
≈ 27 × 18" (68 × 45 cm) ID is uncertain

Immature acorns. · 8/18/2012 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 4½ × 3" (11 × 7.9 cm)

11/4/2016 · Old Long Loop, Beaver Brook Conservation Area, Hollis, NH
≈ 8 × 5" (20 × 13 cm)

Range:

About this map...