Mohr Oak

Quercus mohriana

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fagaceae
Genus:
Quercus
Species:
Quercus mohriana
USDA Symbol:
QUMO

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
800 cm
Light Requirements:
Part Shade
Drought Tolerance:
High

Wildlife Benefits

Butterflies & Moths:
★★☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Juvenal's Duskywing (Erynnis juvenalis)

Garden & Ecology Notes

Wildlife Value:
birds, mammals
Fall Color:
yellow, brown
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Mature trees are fire-tolerant due to thick bark; seedlings may be top-killed but resprout from root crown.

Soil Requirements

Soil Type:
sandy, well-drained, calcareous soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, prefers limestone soils

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
30–90 days
Notes:
Seeds require cold stratification for 30-60 days to break dormancy; sow in fall or after stratification in spring.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 90 days.

Notes: Seeds may require light for optimal germination.

Source: Claude AI