Quercus glandulifera (syn. Quercus serrata)
Konara Oak kwer-KUS gland-U-lif-er-a
- Broadleaf deciduous tree, to 50 ft (15 m) tall; bark fissured. Leaves alternate, simple, 6-15 cm long,
oblong-obovate to ovate-lanceolate, tip acute, base rounded or wedge-shaped, margin has 7-12 pairs of
gland-tipped (mucronate) triangular teeth, bright and glossy above, grayish below with appressed silky-pubescence;
petiole 6-15 mm long. Fall color mixed green, orange and red. Fruit 1 or several on a
short stalk, ripen in one season, acorn ovoid, about 1-1.5 cm long enclosed 1/3 by the cup.
- Sun to part shade, tolerates many soil types.
- Hardy to USDA Zone 5 Native to Japan, Korea, and China.
Brought to North America in 1893 by Arnold Arboretum. Extremely rare in cultivation
- glandulifera: Latin, gland and ferre, to bear.
- Glen Ellen, California: Quarryhill Botanical Garden