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Summary
Bloom Color: Yellow.
Main Bloom Time: Early spring, Late spring, Mid spring. Form: Oval, Pyramidal.
Physical Characteristics
Alnus rhombifolia is a deciduous Tree growing to 12 m (39ft 4in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 7. It is in flower in March, and the seeds ripen from October to January. 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.
It can fix Nitrogen.
Suitable for: medium (loamy) and heavy (clay) soils and can grow in heavy clay and nutritionally poor soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil. The plant can tolerates strong winds but not maritime exposure.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Canopy; Bog Garden;
Edible Uses
Edible Parts: Flowers Inner bark
Edible Uses:
Catkins - raw or cooked. A bitter flavour[172]. Inner bark[257]. No more information is given, but inner bark is often dried and can be used as a flavouring in soups or can be mixed with cereal flours when making bread etc[K].
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 Birthing aid Diaphoretic Emetic Haemostatic Skin Stomachic TB
Tonic
The bark is astringent, diaphoretic, emetic, haemostatic, stomachic and tonic[172, 257]. A decoction of the dried bark is used in the treatment of diarrhoea, haemorrhages in consumption, stomach aches and to facilitate child birth[257]. Externally it can be used as a wash for babies with skin diseases, nappy rash etc[257]. A poultice of the wood is applied to burns[257].
References More on Medicinal Uses
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Other Uses
Baby care Basketry Dye Fuel Tannin Wood
The bark and the strobils are a source of tannin[82]. The roots have been used to make baskets[257]. The inner bark can be dried, ground into a powder then mixed with flour and water for use as a dye[257]. The colour is not specified[257]. The fresh bark can be chewed and used as a red dye[257]. Wood - light, soft, not strong, brittle, close and straight-grained, very durable in water[82]. It is of limited value as a low-grade lumber, but is used principally for fuel[229].
Special Uses
Nitrogen Fixer
References More on Other Uses
Cultivation details
Landscape Uses:Massing, Woodland garden. Prefers a heavy soil and a damp situation[1, 11]. Grows well in heavy clay soils[11]. Tolerates very infertile sites[200]. A fairly fast-growing but short-lived species, reaching its maximum size in 50 - 60 years[229]. This species has a symbiotic relationship with certain soil micro-organisms, these form nodules on the roots of the plants and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200]. Special Features:North American native, Wetlands plant, Inconspicuous flowers or blooms. In garden design, as well as the above-ground architecture of a plant, root structure considerations help in choosing plants that work together for their optimal soil requirements including nutrients and water. The root pattern is branching: a heart root, dividing from the crown into several primary roots going down and out [2-1].
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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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed - best sown in a cold frame as soon as it is ripe and only just covered[200]. Spring sown seed should also germinate successfully so long as it is not covered[200, K]. The seed should germinate in the spring as the weather warms up. When large enough to handle, prick the seedlings out into individual pots. If growth is sufficient, it is possible to plant them out into their permanent positions in the summer, otherwise keep them in pots outdoors and plant them out in the spring. If you have sufficient quantity of seed, it can be sown thinly in an outdoor seed bed in the spring[78]. The seedlings can either be planted out into their permanent positions in the autumn/winter, or they can be allowed to grow on in the seed bed for a further season before planting them. Cuttings of mature wood, taken as soon as the leaves fall in autumn, outdoors in sandy soil.
Other Names
If available other names are mentioned here
Native Range
NORTHERN AMERICA: United States (Idaho (west), Montana (west), Oregon, Washington (south), California)
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 :
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| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Alnus acuminata | Alder | Tree | 25.0 |
10-12
| F | LMH | SN | M | 0 | 2 | 3 |
| Alnus cordata | Italian Alder | Tree | 25.0 |
5-9
| F | MH | SN | DMWe | 0 | 0 | 4 |
| Alnus glutinosa | Alder, European alder , Common Alder, Black Alder | Tree | 25.0 |
3-7
| F | MH | SN | MWe | 0 | 3 | 5 |
| Alnus hirsuta | | Tree | 18.0 |
3-7
| | MH | SN | MWe | 0 | 0 | 2 |
| Alnus incana | Grey Alder, Speckled alder, Thinleaf alder, White Alder | Tree | 18.0 |
2-6
| F | MH | SN | DMWe | 0 | 0 | 3 |
| Alnus japonica | Japanese Alder | Tree | 22.0 |
4-8
| F | MH | SN | DMWe | 0 | 1 | 2 |
| Alnus jorullensis | Mexican alder, Evergreen Alder | Tree | 25.0 |
7-12
| F | LMH | SN | MWe | 0 | 0 | 3 |
| Alnus maritima | Seaside Alder, Beach Alder | Tree | 9.0 |
3-7
| M | MH | N | MWe | 0 | 0 | 3 |
| Alnus maximowiczii | | Tree | 9.0 |
4-8
| | MH | SN | MWe | 0 | 0 | 2 |
| Alnus nepalensis | Nepalese Alder | Tree | 22.0 |
8-11
| F | MH | SN | MWe | 0 | 1 | 3 |
| Alnus nitida | West Himalayan Alder | Tree | 30.0 |
7-10
| | MH | SN | DMWe | 0 | 1 | 3 |
| Alnus rubra | Red Alder, Oregon Alder | Tree | 20.0 |
6-8
| F | MH | SN | MWe | 2 | 2 | 4 |
| Alnus rugosa | Speckled Alder | Tree | 22.0 |
2-6
| F | MH | SN | MWe | 0 | 2 | 3 |
| Alnus serrulata | Smooth Alder, Hazel alder | Shrub | 4.5 |
3-9
| | MH | N | MWe | 0 | 2 | 2 |
| Alnus sinuata | Sitka Alder | Shrub | 4.0 |
2-9
| F | MH | SN | MWe | 1 | 1 | 3 |
| Alnus tenuifolia | Mountain Alder, Thinleaf alder | Tree | 9.0 |
5-7
| F | MH | SN | MWe | 1 | 2 | 3 |
| Alnus viridis crispa | American Green Alder | Shrub | 3.0 |
4-8
| | MH | SN | MWe | 1 | 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
Nutt.
Botanical References
1160200
Links / References
For a list of references used on this page please go here
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Subject : Alnus rhombifolia
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