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| Large trees with simple leaves and fruit a one seeded nut partially or fully enclosed by a cupsule. Flowers on catkins. | |
| Flora of North America: Discussion, key to genera (opens new window) | |
| Flower Formula: Sepals 4-6; Petals 0 | Glossary |
| Genus (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Castanea
chestnut |
1 |  |
Fruits entirely enclosed, prickly with 1-3 rounded nuts. | Images Information |
| Fagus
beech |
1 |  |
Nuts triangular. | Images Information |
| Quercus
oak |
16 |  |
Fruits enclosed only at bottom with 1 rounded nut | Images Information |