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Alnus jorullensis - Kunth

Common Name Mexican alder, Evergreen Alder
Family Betulaceae
USDA hardiness 7-12
Known Hazards None known
Habitats Moist soil habitats, such as stream and river banks, swamps and moist montane slopes, often in very dense stands, at moderate to high elevations[338 ].
Range C. America - Honduras, Guatemala, Mexico
Edibility Rating    (0 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care
Fully Hardy Moist Soil Wet Soil Semi-shade Full sun
Alnus jorullensis Mexican alder, Evergreen Alder


Auckland Museum
Alnus jorullensis Mexican alder, Evergreen Alder
Auckland Museum

 

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Summary


Physical Characteristics

 icon of manicon of cone
Alnus jorullensis is an evergreen Tree growing to 25 m (82ft) by 20 m (65ft) at a fast rate.
It is hardy to zone (UK) 7. The flowers are pollinated by Wind.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in saline soils.
It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil. The plant can tolerate maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Alnus acuminata jorullensis (Kunth) Regel Alnus firmifolia Fernald

Habitats

Edible Uses

None known

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.


None known

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Other Uses

Agroforestry Uses: Alnus jorullensis is an early successional species that regenerates and colonizes on open disturbed ground where other forest types have been destroyed though natural processes, such as landslides, or as a result of anthropogenic activities. It is used extensively in reforestation on disturbed sites and is widely grown in plantations throughout MesoAmerica and South America as a timber and fuel wood species[338 ]. In agroforestry it is used in silvo-pastures to provide nitrogen for increasing forage availability and quality, to improve soil fertility, and it is grown in association with crops such as corn and beans, coffee and wild blackberries[338 ]. Other Uses: The wood and bark is rich in tannin, which is used to impart a red colour[331 , 338 ]. Woodland guides select this species for marking new trails through the mountain forests. The red marks of the bark cut by their machetes re as effective as red paint in marking the way[331 ]. The wood is rather light and soft but firm, straight-grained, rather fine-textured, easy to work, tough and strong, finishes smoothly, is not durable in contact with the ground[331 ]. It is used for the manufacture of boxes for transporting vegetables, shoe trees, matchsticks, post poles, broom handles, domestic implements, plywood cores and particle board. It is also locally harvested for firewood, and charcoal production[338 ]. Used for ornamental planting in warm temperate areas such as southern California. Good for hedging and screening.

Cultivation details

Agroforestry Services: Crop shade  Agroforestry Services: Nitrogen  Management: Coppice  Management: Standard  Regional Crop

Alnus jorullensis is a plant of tropical montane forests, where temperatures are cool, with abundant rainfall. They are also found in high-elevation, open, oak-pine and fir woodlands in Mexico[338 ]. Grows best in a sunny position, but is somewhat shade tolerant[310 ]. Prefers a heavy soil and a damp situation, but it succeeds in ordinary garden soil[11 ]. Grows well in heavy clay soils[11 ]. Tolerates very infertile sites[200 ]. The tree responds well to coppicing[303 ]. 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 ]. Semi-deciduous in cool climates.

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Propagation

Seed

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Honduras; Mexico

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 : Status: Least Concern

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Alnus acuminataAlder02
Alnus cordataItalian Alder00
Alnus glutinosaAlder, European alder , Common Alder, Black Alder03
Alnus hirsuta 00
Alnus incanaGrey Alder, Speckled alder, Thinleaf alder, White Alder00
Alnus japonicaJapanese Alder01
Alnus maritimaSeaside Alder, Beach Alder00
Alnus maximowiczii 00
Alnus nepalensisNepalese Alder01
Alnus nitida 01
Alnus rhombifoliaWhite Alder12
Alnus rubraRed Alder, Oregon Alder22
Alnus rugosaSpeckled Alder02
Alnus serrulataSmooth Alder, Hazel alder02
Alnus sinuataSitka Alder11
Alnus tenuifoliaMountain Alder, Thinleaf alder12
Alnus viridis crispaAmerican Green Alder12

 

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Author

Kunth

Botanical References

Links / References

For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.

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