Quercus palustris

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Common name: pin oak

Family: Fagaceae

Distribution: central to eastern United States

Habitat: Flood plains, stream margins

IUCN Red list: Least concern

Hardiness: Zone 4b -25 to -20 F

Life form: Deciduous tree

Usage: Ornamental shade tree

Comments: A medium sized deciduous oak of the red oak group that typically grows 50-70’ tall with a broad pyramidal crown. Upper branches are ascending, middle branches are somewhat horizontal and lower branches are descending. Smooth gray-brown bark usually develops ridging with age. Insignificant monoecious yellowish-green flowers in separate male and female catkins appear in spring as the leaves emerge. Fruits are rounded acorns to 1/2” long, with shallow, saucer-shaped acorn cups that barely cover the acorn base. Glossy, dark green leaves to 5” long typically have 5 bristle-tipped lobes with deeply cut sinuses extending close to the midrib. Leaves turn deep red in fall.
Easily grown in average, medium to wet, acidic soils in full sun. Prefers moist loams. Tolerates poorly drained soils. Tolerates some flooding.

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1: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1756/1 • Provenance: Wild
2: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1758/1 • Provenance: Wild
3: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1763/1 • Provenance: Wild
4: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1766/1 • Provenance: Wild
5: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1771/1 • Provenance: Wild
6: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1772/1 • Provenance: Wild
7: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1773/1 • Provenance: Wild
8: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1775/1 • Provenance: Wild
9: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1778/1 • Provenance: Wild
10: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1783/1 • Provenance: Wild
11: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1786/1 • Provenance: Wild
12: 1200 s, 1000 e (ST 1200,1000) • Accession: 1942-1787/1 • Provenance: Wild
13: 1200 s, 1000 e (ST 1200,1000) • Accession: 1967-1760/1
14: 1200 s, 1000 e (ST 1200,1000) • Accession: 1967-1761/1
15: 1200 s, 1000 e (ST 1200,1000) • Accession: 1967-1762/1
16: 1200 s, 1000 e (ST 1200,1000) • Accession: 1967-1768/1
17: 1200 s, 1000 e (ST 1200,1000) • Accession: 1967-1770/1
18: Herbarium (HERB) • Accession: 1942-1756 • Provenance: Wild
19: Herbarium (HERB) • Accession: 1942-1758 • Provenance: Wild
20: Herbarium (HERB) • Accession: 1942-1763 • Provenance: Wild

Area

Individual

Hoyt Arboretum, Portland, Oregon, USA

Plant Database

Taxon

Quercus palustris

Locations