Quercus chapmanii Sarg.
Chapman Oak, Chapman's Oak
Fagaceae (Beech Family)
USDA Symbol: QUCH
Deciduous or semi-evergreen shrub, which grows to 10 feet (3 m), or more, often rhizomatous, or a small tree to 45 feet (13.7 m). Bark grayish-brown with irregular scales. Twigs are grayish-tan to yellowish-tan with patches of fine tomentum, terminal buds are reddish-brown with smooth distal scales. Leaves small smooth petiole 1/8 inch (3 mm) long; leaves are obovate, 1 1/2 - 3 1/2 inches (38 - 89 mm) long and 3/4 - 1 1/2 inches (19 - 38 mm) wide, margins are minutely wavy and many have shallow irregular lobes toward tip of leaf, apex rounded, base cuneate; upper surface is glossy dark green, and light gray or yellow with yellowish pubescence beneath.
Named for Alvan Wenworth Chapman (1809-99), physician and botanist of Apalachicola, Florida, who first distinguished this oak in his Flora of the Southern United States. Chapman oak is abundant along the west coast of Florida from Tampa Bay north to Panama City. The largest known specimen grows in the Ocala National Forest east of Ocala, Florida.
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Plant CharacteristicsDuration: Perennial
Habit: Shrub , Tree
Leaf Retention: Deciduous , Semi-evergreen
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Obovate
Leaf Venation: Pinnate
Leaf Margin: Lobed , Undulate
Leaf Base: Cuneate
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Nut
Size Notes: Up to about 45 feet tall, often much shorter.
Leaf: Upper surface is glossy dark green, and light gray or yellow with yellowish pubescence beneath.
Fruit: Acorns annual; 1 - 2 acorns on a peduncle up to 1/2 inch (13 mm) in length; cup has gray tomentum on scales, covering 1/3 - 1/2 the nut; light brown nut is oval with a rounded apex, and may have pubescence.
Bloom InformationBloom Color: Green
Bloom Time: Feb , Mar , Apr , May
DistributionUSA: AL , FL , GA , SC
Native Distribution: Extreme S. South Carolina and SE. Georgia to S. and NW. Florida and S. Alabama; near sea level.
Native Habitat: Sandy hills, ridges and coastal dunes; with Sand Pine and evergreen oaks. On xerophytic sandy soils of open pine forest and oak scrublands on sand ridges and coastal dunes in the lower coastal plain near sea level.
BibliographyBibref 1134 - Field Guide to Native Oak Species of Eastern North America (2003) Stein, John D. and Denise Binion
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Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Quercus chapmanii in USDA Plants
FNA: Find Quercus chapmanii in the Flora of North America (if available)
Google: Search Google for Quercus chapmanii
MetadataRecord Modified: 2022-10-20
Research By: TWC Staff