Quercus gambelii (Gambel's Oak, Rocky Mountain White Oak) [Home] | [Berries] | [Cactus] | [Edible] | [Herbs] | [Links] | [Trees] | [Weeds] | [Wildflowers] Click photo to enlarge More Photos: Habitat: Foothills ~7000ft elevation. Edibility: Inedible Color: Green Description: Acorns are edible if tannins are leached out. This can be done by boiling in several changes of water. Squirrels store acorns for winter. coloradoplants.org | coloradmushrooms.com | coloradoflies.com