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Summary
Quercus fruticosa Brot. is a synonym of Quercus lusitanica Lam.
Physical Characteristics
Quercus fruticosa is an evergreen Shrub growing to 2 m (6ft 7in).
See above for USDA hardiness. It is hardy to UK zone 8. It is in leaf all year. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind.
Suitable for: medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.
UK Hardiness Map
US Hardiness Map
Synonyms
Quercus fruticosa Brot. is a synonym of Quercus lusitanica Lam. Q. humilis.
Plant Habitats
Woodland Garden Sunny Edge;
Edible Uses
Edible Parts: Seed
Edible Uses: Coffee
Seed - cooked[105, 177]. The seed is about 15mm long[200], it can be dried, ground into a powder and used as a thickening in stews etc or mixed with cereals for making bread. The seed contains bitter tannins, these can be leached out by thoroughly washing the seed in running water though many minerals will also be lost. Either the whole seed can be used or the seed can be dried and ground it into a powder. It can take several days or even weeks to properly leach whole seeds, one method was to wrap them in a cloth bag and place them in a stream. Leaching the powder is quicker. A simple taste test can tell when the tannin has been leached. The traditional method of preparing the seed was to bury it in boggy ground overwinter. The germinating seed was dug up in the spring when it would have lost most of its astringency. The roasted seed is a coffee substitute.
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Astringent Dysentery
Any galls produced on the tree are strongly astringent and can be used in the treatment of haemorrhages, chronic diarrhoea, dysentery etc[4].
References More on Medicinal Uses
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Other Uses
Repellent Tannin Wood
A mulch of the leaves repels slugs, grubs etc, though fresh leaves should not be used as these can inhibit plant growth[200]. Oak galls are excrescences that are sometimes produced in great numbers on the tree and are caused by the activity of the larvae of different insects. The insects live inside these galls, obtaining their nutrient therein. When the insect pupates and leaves, the gall can be used as a rich source of tannin, that can also be used as a dyestuff[4].
Special Uses
Food Forest
References More on Other Uses
Cultivation details
Prefers a good deep fertile loam which can be on the stiff side[1, 11]. Young plants tolerate reasonable levels of side shade[200]. Tolerates moderate exposure, surviving well but being somewhat stunted[200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. Prefers warmer summers than are usually experienced in Britain, but plants usually grow well in Britain[200]. Produces suckers[200]. Plants are often very low growing, to about 30cm tall, and spread out to form a carpet[200]. The seed ripens in its first year[200]. Intolerant of root disturbance, trees should be planted in their permanent positions whilst young[11]. Hybridizes freely with other members of the genus[200]. Plants in this genus are notably resistant to honey fungus[200]. For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a standard with a non-suckering single trunk [1-2].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Seed - it quickly loses viability if it is allowed to dry out. It can be stored moist and cool overwinter but is best sown as soon as it is ripe in an outdoor seed bed, though it must be protected from mice, squirrels etc. Small quantities of seed can be sown in deep pots in a cold frame. Plants produce a deep taproot and need to be planted out into their permanent positions as soon as possible, in fact seed sown in situ will produce the best trees[11]. Trees should not be left in a nursery bed for more than 2 growing seasons without being moved or they will transplant very badly. Division of suckers in the dormant season.
Other Names
If available other names are mentioned here
Native Range
EUROPE: Portugal, Spain, AFRICA: Morocco.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
| Related Plants
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| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Quercus × schuettei | Schuette's oak | Tree | 18.0 |
4-8
| F | MH | N | MWe | 3 | 0 | 3 |
| Quercus acuta | Japanese Evergreen Oak | Tree | 25.0 |
6-9
| M | MH | SN | M | 2 | 2 | 2 |
| Quercus acutissima | Sawthorn Oak | Tree | 5.0 |
5-9
| M | MH | SN | M | 2 | 2 | 3 |
| Quercus agrifolia | Encina, California live oak, Coast Live Oak | Tree | 15.0 |
8-11
| S | MH | SN | M | 3 | 2 | 2 |
| Quercus alba | White Oak, Hybrid oak | Tree | 20.0 |
3-9
| S | MH | SN | DM | 3 | 2 | 4 |
| Quercus aliena | Oriental White Oak | Tree | 20.0 |
4-8
| | MH | SN | M | 2 | 2 | 2 |
| Quercus aucheri | Boz-Pirnal Oak | Shrub | 5.0 |
7-10
| S | MH | SN | DM | 4 | 2 | 1 |
| Quercus bicolor | Swamp White Oak | Tree | 25.0 |
4-8
| M | MH | SN | MWe | 4 | 2 | 3 |
| Quercus brantii | Barro, Brant's oak | Tree | 8.0 |
7-9
| F | LMH | N | DM | 3 | 2 | 3 |
| Quercus cerris | Turkey Oak, European turkey oak | Tree | 35.0 |
5-9
| F | MH | SN | M | 3 | 2 | 2 |
| Quercus chrysolepis | Live Oak, Canyon live oak | Tree | 25.0 |
8-11
| S | MH | SN | M | 2 | 2 | 2 |
| Quercus coccifera | Kermes Oak | Shrub | 4.0 |
5-9
| | MH | SN | M | 3 | 2 | 3 |
| Quercus coccinea | Scarlet Oak | Tree | 25.0 |
4-8
| M | MH | SN | M | 2 | 2 | 3 |
| Quercus dentata | Japanese Emperor Oak, Daimyo oak | Tree | 20.0 |
4-8
| F | MH | SN | M | 2 | 2 | 2 |
| Quercus douglasii | Blue Oak | Tree | 12.0 |
8-11
| S | MH | SN | DM | 3 | 2 | 4 |
| Quercus durata | California Scrub Oak, Leather oak | Shrub | 4.0 |
7-10
| | MH | SN | M | 2 | 2 | 2 |
| Quercus ellipsoidalis | Northern Pin Oak | Tree | 20.0 |
4-6
| M | MH | SN | M | 2 | 2 | 3 |
| Quercus emoryi | Black Oak, Emory oak | Tree | 12.0 |
6-9
| S | MH | SN | M | 3 | 2 | 3 |
| Quercus engelmannii | Evergreen Oak, Engelmann oak, Mesa Oak | Tree | 10.0 |
8-11
| M | MH | SN | M | 2 | 2 | 3 |
| Quercus falcata | Southern Red Oak, Cherrybark Oak, Spanish Oak, Southern Red Oak | Tree | 25.0 |
7-9
| M | MH | SN | M | 1 | 2 | 2 |
| Quercus floribunda | | Tree | 0.0 |
-
| | MH | SN | M | 2 | 2 | 3 |
| Quercus frainetto | Hungarian Oak, Italian Oak, Forest Green Oak | Tree | 30.0 |
5-8
| F | MH | SN | M | 4 | 2 | 2 |
| Quercus gambelii | Shin Oak, Gambel oak, Rocky Mountain White Oak | Shrub | 4.5 |
4-8
| S | MH | SN | DM | 3 | 2 | 3 |
| Quercus garryana | Oregon White Oak, Garry Oak | Tree | 18.0 |
7-9
| S | MH | SN | M | 2 | 2 | 3 |
| Quercus glauca | Ring-cup oak , Ring Cupped Oak, Blue Japanese Oak | Tree | 15.0 |
8-9
| S | MH | SN | M | 3 | 2 | 3 |
| Quercus hispanica | | Tree | 20.0 |
6-9
| | MH | SN | M | 3 | 2 | 3 |
| Quercus ilex | Holly Oak, Evergreen Oak | Tree | 25.0 |
7-10
| S | LMH | SN | M | 5 | 2 | 3 |
| Quercus ilex ballota | Holm Oak | Tree | 25.0 |
6-9
| S | LMH | SN | M | 5 | 2 | 3 |
| Quercus imbricaria | Shingle Oak, Northern Laurel Oak | Tree | 20.0 |
4-8
| M | MH | SN | M | 2 | 2 | 3 |
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Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Brot.
Botanical References
1150200
Links / References
For a list of references used on this page please go here
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Subject : Quercus fruticosa
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