Appearance and hardiness of Oaks vary widely, but all produce acorns preceded by inconspicuous flowers. Single nuts are more or less enclosed in a cuplike cap covered with many closely set scales. In some species, the acorns are edible,with a sweet flavor. Some oaks are widely planted over large areas, while others have a limited rangeQuercus emoryi
Native from Arizona to Texasand adjacent Mexico. Handsomeand rounded, to 50 ft. tall and40 ft. wide. Leathery darkgreen, oval, sharply toothedleaves to 2–3 in. long are holly-likebut flat; turn golden anddrop just before new growthbegins in late spring. Round-tipped,oblong, edible acornsenclosed by up to one-half inbowl-like cap. Grows well in lowdesert; tolerates a variety ofsoils. Needs periodic summersoakings.
Native to Texas and Mexico.Compact, rounded plant to 2–3 ft. high and wide; puts on agood show of brig...
Native to southwesternU.S. Branching gray stems are set with narrow white leaves to 3/4 in. long. Bloo...
Native to southwestern U.S.and northern Mexico. Smalltree or shrub with dense, spinygrowth to 18 ft. t...