| Running oak
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| Quercus pumila
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| Fagaceae
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Landscape Uses:
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Primarily recommended for natural landscapes and habitat restorations. Also an accent shrub or small tree. |
Ecological Restoration Notes: |
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A frequent but somewhat uncommon understory shrub in pine rocklands, mesic flatwoods and scrubby flatwoods. |
| Availability: |
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Grown by enthusiasts and occasionally by native plant nurseries. |
| Description: |
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Medium woody shrub or rarely a small tree, usually with underground stems but occasionally with an erect trunk. Leaves are pale green above and densely covered with gray or brown hairs below, about 2-4 inches long. |
| Height: |
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Typically 3-6 feet in height in South Florida; occasionally to 20 feet in Florida. Usually broader than tall. |
| Growth Rate: |
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Slow. |
| Range: |
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Southeastern United States south to Miami-Dade and Collier counties. |
| Habitats: |
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Pinelands. |
| Soils: |
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Moist, well-drained sandy or limestone soils, without humusy top layer. |
| Nutritional Requirements: |
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Low; it grows in nutrient poor soils. |
| Salt Water Tolerance: |
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Low; does not tolerate long-term flooding by salt or brackish water. |
| Salt Wind Tolerance: |
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Low; salt wind may burn the leaves. |
| Drought Tolerance: |
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High; does not require any supplemental water once established. |
| Light Requirements: |
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Full sun. |
| Flower Color: |
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Green. |
| Flower Characteristics: |
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Inconspicuous. Pollination is by wind. |
| Flowering Season: |
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Early spring, before the emergence of new leaves. |
| Fruit: |
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Brown acorn about 1/2" long, maturing in the second season. Edible. |
| Wildlife and Ecology: |
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Provides significant food and cover for wildlife. Larval host plant for red-banded hairstreak (Calycopis cecrops) and white-M hairstreak (Parrhasius m-album) butterflies; possible larval host for Horace's duskywing (Erynnis horatius), Juvenal's duskywing (Erynnis juvenalis) and oak hairstreak (Fixsenia favonius) butterflies. The acorns are utilized by squirrels. |
| Horticultural Notes: |
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Can be grown from seed. |
| Comments: |
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This dwarf oak makes an excellent woody groundcover and deserves more attention in the native plant trade. |
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