Quercus margarettae (Ashe) Small
Runner oak, Drummond post oak, Sand post oak dwarf post oak, scrubby post oak, post oak
Fagaceae (Beech Family)
Synonym(s): Quercus drummondii, Quercus stellata var. araniosa, Quercus stellata var. margarettae
USDA Symbol: QUMA6
Shrub or small tree, occasionally rhizomatous, slow growing with dense rounded crown, normally grows to 32 feet (9.8 m), occasionally to 87 feet (26.5 m). BARK: light gray, shallow fissures with scaly ridges. TWIGS and BUDS: smooth slender gray twigs; reddish-brown terminal bud, ovoid with pointed apex, smooth or sparsely pubescent. LEAVES: short petiole 1/8 - 3/8 inch (3 - 10 mm) long; leaf blade cruciform in outline, 1 1/2 - 3 inches (38 - 76 mm) long, 3/4 - 1 1/2 inches (19 - 38 mm) wide; moderate to deep 5-lobed margin, base cuneate to rounded, apex broadly rounded, lobes rounded; shiny dark green above, light green and densely pubescent below. ACORNS: annual; 1 - 3 acorns are sessile or produced on a peduncle up to 3/4 inch (19 mm); globe shaped gray pubescent cup, enclosing 3/4 of the nut; light brown nut ovoid with rounded apex, 5/8 - 1 inch (16 - 25 mm) long.
Sand post oak provides a suitable habitat for wildlife species. Acorns provide food for turkeys and other game birds. The largest known sand post oak grows in Florida Caverns State Park near Marianna, Jackson County, Florida.
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Plant CharacteristicsDuration: Perennial
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Pinnate
Leaf Margin: Lobed
Leaf Base: Cuneate , Rounded
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Nut
Size Notes: Slow growing with dense rounded crown, normally grows to 32 feet (9.8 m), occasionally to 87 feet (26.5 m).
Leaf: Leaves shiny dark green above, light green and densely ￼pubescent below.
Fruit: Acorns annual; 1 - 3 acorns are sessile or produced on a peduncle up to 3⁄4 inch (19 mm); globe shaped gray pubescent cup, enclosing 3⁄4 of the nut; light brown nut ovoid with rounded apex, 5⁄8 - 1 inch (16 - 25 mm) long.
Size Class: 12-36 ft.
Bloom InformationBloom Time: Mar , Apr , May
DistributionUSA: AL , AR , FL , GA , LA , MO , MS , NC , OK , SC , TX , VA
Native Distribution: Texas, Oklahoma and Missouri, east to Florida, and Virginia.
Native Habitat: Understory or open-grown species on deep sandy and gravel soils in southern oak-pine forest types.
BibliographyBibref 766 - Dale Groom's Texas Gardening Guide (2002) Groom, D.
Bibref 1134 - Field Guide to Native Oak Species of Eastern North America (2003) Stein, John D. and Denise Binion
Bibref 297 - Trees of Central Texas (1984) Vines, Robert A.
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Additional resourcesUSDA: Find Quercus margarettiae in USDA Plants
FNA: Find Quercus margarettiae in the Flora of North America (if available)
Google: Search Google for Quercus margarettiae
MetadataRecord Modified: 2011-09-27
Research By: TWC Staff