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Mahonia napaulensis - DC.
                 
Common Name
Family Berberidaceae
USDA hardiness 5-9
Known Hazards None known
Habitats Dense wet oak and rhododendron forests to 2900 metres[51, 184].
Range E. Asia - Bhutan, Nepal, Sikkim and Uttar Pradesh.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Semi-shade Full sun

Summary

Mahonia napaulensis


Mahonia napaulensis
   
Physical Characteristics
 icon of manicon of shrub
Mahonia napaulensis is an evergreen Shrub growing to 2.5 m (8ft) by 3 m (9ft).
It is hardy to zone (UK) 6 and is not frost tender. It is in leaf 12-Jan It is in flower from Mar to April. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms
M. acanthifolia. G.Don. Berberis napalensis. Spreng.

Habitats
Woodland Garden Sunny Edge; Dappled Shade;
Edible Uses
Edible Parts: Fruit.
Edible Uses:

Fruit - raw or cooked[272]. An acid flavour, but it is rather nice raw especially when added to muesli or porridge[K]. Unfortunately, there is relatively little flesh and a lot of seeds[K]. The fruit can also be dried and used as raisins[2, 51, 158, 177]. The ovoid fruit is about 12mm long[200].
Medicinal Uses


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Antibacterial;  Antitumor;  Ophthalmic;  Tonic.

The fruits are said to be diuretic and demulcent[240, 272]. They are used in the treatment of dysentery[240]. A decoction of the bark is used as eye drops to treat inflammations of the eyes[272]. Berberine, universally present in rhizomes of Mahonia species, has marked antibacterial effects[218] and is used as a bitter tonic[213]. Since it is not appreciably absorbed by the body, it is used orally in the treatment of various enteric infections, especially bacterial dysentery[218]. It should not be used with Glycyrrhiza species (Liquorice) because this nullifies the effects of the berberine[218]. Berberine has also shown antitumour activity[218]. The root and root bark are best harvested in the autumn[213].
Other Uses
Dye.

A yellow dye is obtained from the stem and leaves[61].
Cultivation details
An easily grown plant, it thrives in any good garden soil[11]. Grows well in heavy clay soils. Prefers a semi-shaded woodland position in a damp slightly acid to neutral humus rich soil[200]. Requires a position sheltered from cold or strong winds[1]. The plant is slightly tender in Britain[1] though it does well in Cornwall[59]. It under performs in areas where temperatures regularly fall below -10°c[200]. The young growth in spring can be damaged by late frosts[K]. Hybridizes freely with other members of this genus. The flowers have a delicate sweet fragrance[245]. At least one named variety has been developed for its ornamental value. 'Maharajah' appears to be hardier than the type species[182]. Closely allied to M. acanthifolia[11] (which is quoted as a synonym of this species in some books). The differences stated between the two species do not hold true in the wild but in cultivation M. acanthifolia has leaflets with a dull surface, flowers in the autumn and is hardier than many of the spring flowering introductions of M. nepaulensis. Resistant to honey fungus[88].
Propagation
Seed - best sown as soon as it is ripe in a cold frame[78]. It usually germinates in the spring[K]. 'Green' seed (harvested when the embryo has fully developed but before the seed case has dried) should be sown as soon as it is harvested and germinates within 6 weeks[K]. Stored seed should be sown as soon as possible in late winter or spring. 3 weeks cold stratification will improve its germination, which should take place in 3 - 6 months at 10°c. Prick out the seedlings when they are large enough to handle and grow them on in a cold frame for at least their first winter. Plant them out in late spring or early summer. Cuttings of half ripe wood 15cm long, July in individual pots in a frame[78]. Division of suckers in spring[78]. Whilst they can be placed direct into their permanent positions, better results are achieved if they are potted up and placed in a frame until established[11]. Leaf cuttings in the autumn.
Other Names
Found In
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
Latin NameCommon NameEdibility RatingMedicinal Rating
Mahonia aquifoliumOregon Grape, Hollyleaved barberry, Oregon Holly Grape, Oregon Holly33
Mahonia bealeiBeale's barberry, Leatherleaf Mahonia32
Mahonia confusa 32
Mahonia flavida 20
Mahonia fortuneiFortune's Mahonia32
Mahonia fremontiiMahonia, Fremont's mahonia32
Mahonia ganpinensis 12
Mahonia gracilipes 22
Mahonia gracilisMexican Barberry20
Mahonia haematocarpaMexican Barberry, Red barberry32
Mahonia japonica 32
Mahonia lomariifoliaChinese hollygrape32
Mahonia nervosaOregon Grape, Cascade barberry32
Mahonia neviniiNevin's barberry32
Mahonia pinnataCalifornia Barberry, Wavyleaf barberry, Island barberry, Creeping Holly Grape32
Mahonia pumilaDwarf Barberry32
Mahonia repensCreeping Oregon Grape, Creeping barberry, Grape Oregon33
Mahonia swaseyiTexas Mahonia, Texas barberry32
Mahonia trifoliolataMexican Barberry, Algerita32
Mahonia x media 32
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Expert comment
 
Author
DC.
Botanical References
1151200
Links / References
For a list of references used on this page please go here
Readers comment
 
Elizabeth H.
Allie McBeale Tue Mar 29 08:05:29 2005

Link: www.encarta.com very informative!!

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Subject : Mahonia napaulensis  

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