Quercus emoryi Fagaceae
Emory Oak, Black or Blackjack Oak kwer-KUS EMORY-i, eh-MOR-ee-eye
- Evergreen tree, but drought deciduous, occasionally a shrub, slow growing to 65 ft (20 m) tall or more, rounded habit; trunk short, diameter may reach 75 cm. Leaves simple, opposite, leathery, oblong-lanceolate, dark green, glossy, 4-7.5 cm long, apex acute or mucronate (with a small and abrupt tip), margin sharply toothed, holly-like but flat. Fruit (acorn) short stalked, oblong, about 1.3-2 cm long, narrow at tip, rounded at base, cup encloses a third to half its length.
- Sun. Adaptable to various soils. Needs periodic summer watering.
- Hardy to USDA Zone 8 Native to Arizona, New Mexico, Texas and northwestern Mexico.
- emoryi: after William H. Emory (1811-1887), who collected many new specimens during military reconnaissance of 1848, he later became director of the U.S.-Boundary Survey of 1857-59.