Emory Oak
Quercus emoryi
- Native to:
- Mexico, United States
User:pompilid
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fagaceae
- Genus:
- Quercus
- Species:
- Quercus emoryi
- USDA Symbol:
- QUEM
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 1500 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- apr,may
Wildlife Benefits
- Caterpillars:
- ★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Antheraea oculea, Arizona emerald (Nemoria arizonaria), Cecropis moth (Automeris cecrops), Gloveria howardi, Grote's buck moth (Hemileuca grotei), Io moth (Automeris io), Oslar's eacles (Eacles oslari), Oslar's oakworm moth (Anisota oslari), Pacific tent caterpillar (Malacosoma constricta), red oak clearwing borer (Paranthrene simulans), Stilbosis juvantis, Stone's buckmoth (Hemileuca stonei), Juvenal's Duskywing (Erynnis juvenalis)
Reported Fauna Sightings
Hummingbirds: Black-chinned Hummingbird (Archilochus alexandri)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, deer, javelina
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from the root crown following fire. Thick bark provides some fire resistance on mature trees.
Soil Requirements
- Soil Type:
- rocky, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Commonly found in mountainous regions with rocky substrates.
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Acorns germinate readily in fall without stratification; plant immediately after collection as they lose viability quickly.
The above propagation data sourced from Claude AI
Pre-treatment: Germination occurs at 30D/20N C alternating temperature cycle
Establishment: Q. emoryi is found in moist canyons and dry foothills; from western Texas to Arizona and northern Mexico.
Source: npn.rngr.net