ID hints "American arborvitae" Branchlets in flat plane** - Twigs 2-ranked - Spray often fan-shaped** Leaves scale-like** - leaves 4-ranked forming twig - Blister-like gland near apex*** Cones commonly absent most cultivars - Female cone ellipsoidal* - Scales brown, lack umbo

Thuja occidentalis, Arborvitae

4-H Horticulture Contest, Dr. Alice B. Russell, Dr. Paul R. Fantz, and Larry Bass, Department of Horticultural Science, NC Cooperative Extension Service, NC State University. All Pictures Copyright @1997Alice B. Russell. Computer programming by Miguel A. Buendia, graphics by Brad Capel.