Mongolian Oak         KWER-kus mon-GOL-i-ka

• Broadleaf deciduous tree, tall, 80-100 ft (~25-30 m) high, in cultivation about 30 ft tall and 25 ft wide (~9 × 7.5 m); young shoots glabrous (without hairs).  Leaves alternate, simple, obovate to obovate-oblong, 7-19 cm × 3-11 cm wide, apex obtuse, base tapered and auriculate (ear-like lobes), margin entire, teeth coarse, rounded, upper surface dark green, lighter and glabrous below or pubescent on the veins, leaves densely clustered at shoot tips; petiole 4-8 mm long.  Turn brown in fall and stay on the tree into winter.  Fruit (nut) ovate, about 2 cm long, nearly sessile (very short stalk), thick cup covers 1/3 of the acorn; mature in one year.
• Sun to part shade.  Grows best in fertile loam, but will do well in a wide variety of soils.   Drought tolerant.
• Hardy to USDA Zone 3      Native to eastern Siberia, northern China, Korea, and northern Japan; only occasionally found in Mongolia.
• mongolica: of Mongolia