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Hydrangea quercifolia

Hydrangea quercifolia Bartram

 

Oak Leaved Hydrangea, Oakleaf Hydrangea

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderRosalesRose family and eight others
FamilyHydrangeaceaeHydrangea family
GenusHydrangeaFrom Greek hydro, “water,” and angeion, “vessel”
Speciesquercifolia“With oak-like leaves”

About plant names...

Oakleaf hydrangea is native to North America.

Identification: Oakleaf hydrangea favors calcium-bearing soils and grows in open hardwood forests. Shrubs are up to 8' (2.4 m) tall, and about the same around. Bark is cinnamon-colored and felt-like, peeling when older. Leaves are dark green, opposite, lobed like oak leaves, longer than they are wide, up to 12" (30 cm) long. In the fall, the leaves are attractively colored, including a deep red-violet. Large (up to 12" (30 cm)) flower clusters contain many cream-colored, white or pinkish flowers. Individual flowers are about 1" (2.5 cm) around. Fruits are small brown capsules. See this Hydrangea comparison table.

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

By H. Zell.

Online References:

Hydrangea quercifolia at the Ohio State University PLANTFacts database

Hydrangea quercifolia on Carolina Nature, from Will Cook

Hydrangea quercifolia on Hydrangeas! Hydrangeas!

Hydrangea quercifolia at the University of Florida Institute of Food and Agricultural Sciences

Hydrangea quercifolia at the University of Connecticut Plant Database

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

6/15/2010 · Garden in the Woods, Framingham, MA
≈ 31 × 21" (78 × 52 cm)

Hydrangea quercifolia description by Thomas H. Kent, last updated 1 Jul 2014.

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Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

8/31/2013 · Lewis Ginter Botanical Garden, Richmond, VA
≈ 15 × 10" (37 × 25 cm)

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

6/15/2010 · Garden in the Woods, Framingham, MA
≈ 3½ × 2½' (1.2 × 0.8 m)

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 9 × 14" (23 × 35 cm)

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 15 × 16" (37 × 41 cm)

Hydrangea quercifolia (Oak Leaved Hydrangea, Oakleaf Hydrangea)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 10 × 15" (26 × 39 cm)

Range: Zones 5-9:

About this map...