Chestnut Oak Identification Challenge: Quercus montana vs. muehlenbergii

Pilot Mountain, NC (1500 ft, west-facing rocky slope): Mixed stand with distinctive bark (light grey, scaly plates on flat ridges) and leaves (elliptical to obovate, 10–14 parallel veins ending in rounded shallow lobes, velvety pale underside). Chinkapin oak? Q. montana? Q. michauxii?

Expert Analysis

Chestnut oak group (Q. montana, Q. michauxii, Q. muehlenbergii, Q. prinoides) is notoriously difficult. Key identifiers:

• Q. montana: Appressed asymmetric trichomes on leaf underside + longer simple hairs on midvein (unique)
• Q. michauxii: Longer felty hairs
• Q. muehlenbergii: Chinkapin oak – typically pointed lobes
• Hybridization common

Recommendation

Wait for acorns (fall) for definitive ID. Consult forestry.about.com forum (Steve Nix, VA foresters) for expert help.