| Quercus x heterophylla | |
| Author | F.Michx.
1812 (pro sp.) |
| Synonyms | phellos
x rubra = aquatica var. heterophylla (F.Michx.) A.DC 1864, nom. illeg. = x hollickii C.K.Schneid. 1904 |
| Local names | Bartram's hybrid oak; |
| Range | East United States; native where parents are meeting; introduced in Europe in 1750; |
| Growth habit | 16-20 m, and more; |
| Leaves | 5-8 cm long; lanceolate, oblong, or elliptic; with 1 to 4 small bristle-tipped teeth on each side at the end of shallow lobes; lustrous dark green above, paler beneath with beige pubescence at axils; leaves shape is variable, even on the same tree; petiole 1.2-2.5 cm long; |
| Flowers | |
| Fruits | acorn nearly stalkless, similar to Q. rubra. |
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Bark, twigs and |
twigs glabrous; buds small, pointed, glabrous; |
| Hardiness zone, habitat | hardy; requires lime-free soils; vigourous; |
| Miscellaneous | |
| Subspecies and varieties |
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| Pictures |
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