Chinese Evergreen Oak
Native to (or naturalized in) Oregon:
- Broadleaf evergreen shrub or tree, to 20-30(50) ft [6-9(15) m] tall, spread similar, rounded crown. Leaves alternate, simple, lanceolate to elliptical, 5-10(15) cm long and 2-4 cm wide, apex long-acuminate, base rounded, margin with short erect teeth, 10-12 pairs of veins ("nerves"), leathery, shiny green above (new leaves purple-bronze); petiole 1-2 cm long. Acorns 2-4 together, narrowly ovoid, about 20 × 8 mm, cap has 3-6 concentric rings, ripen in first year.
- Sun, prefers lime-free soils; rather slow-growing.
- Hardy to USDA Zone (6)7 Native to southern China, Japan, Laos, Thailand and Vietnam.
- myrsinifolia: Myrsine-leaved; from a Greek name for myrtle. The family Mysinaceae includes the genus Myrsine which has some 200 species which are mostly found in tropical and subtropical regions.
- Cyclobalanopsis: these are the "ring-cupped" oaks of eastern and southeastern Asia. They have acorns with distinctive cups bearing concentric rings of scales. Most taxonomists consider Cyclobalanopsis as a subgenus of Quercus, but in the Flora of China, Cyclobalanopsis is treated as a distinct genus.
- Portland, Oregon: Hoyt Arboretum.