Quercus austrina
Bluff-Oak, Bastard White Oak
| Family |
| Fagaceae |
| Genus |
| Quercus |
| Species |
| austrina |
| Category |
| Woody |
| Synonyms |
| durandii var. austrina |
| USDA Hardiness Zone |
| 5 - 6 |
| Canadian Hardiness Zone |
| 4a - 6a |
| RHS Hardiness Zone |
| H7 - H6 |
| Temperature (°C) |
| (-26) - (-18) |
| Temperature (°F) |
| (-15) - 0 |
| Height |
| 20-30 m |
| General Description |
| This species has been placed on the IUCN Red List as least concern. |
| Cultivation |
| Rich, moist soil. |
| Shape |
| Broad crown. |
| Habitat |
| Bluffs and along rivers at an altitude of 0-200 m. |
| Bark/Stem Description |
| Scaly bark, older trunks with wide ridges and dark brown branchlets. |
| Flower/Leaf Bud Description |
| Pointed, pubescent and dark brown, 3-5 mm in length. |
| Leaf Description |
| Elliptic to oboval, 3-7 shallow and round lobes, vibrant green with a baler glabrescent underside, a cuneate base and 4-8 veins on either side of the midvein, 7-10 x 3-6 cm. |
| Fruit Description |
| Acorn, oval, singular or paired. |