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Berberis rubrostilla

Common name:		Family:	Berberidaceae
Author:	Chitt.	Botanical references:	200
Synonyms:
Known Hazards:	None known
Range:	A hybrid of garden origin, B. aggregata x B. wilsoniae?
Habitat:	Not known in the wild.
Edibility Rating (1-5):	3	Medicinal Rating (1-5):	2

Other Possible Synonyms:	From various places across the web, may not be correct. See below.
	B. rubrostylla[HORTIPLEX]
Epithets:	From a Dictionary of Botanical Epithets
	rubrostilla = red drop;
Systematics:	From a USDA Plants Database
	Order: Ranunculales. Barberry family

Physical Characteristics

A decidious shrub growing to 1.5m by 1.5m . It is hardy to zone 6 and is not frost tender. It is in flower from June to July. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. The plant is self-fertile. We rate it 3/5 for edibility and 2/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay and nutritionally poor soils. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires dry or moist soil.

Habitats and Possible Locations

Woodland, Dappled Shade, Shady Edge.

Cultivar 'Crawleyensis': Woodland, Dappled Shade, Shady Edge.

Edible Uses

Fruit.

Fruit - raw or cooked. Fairly large for a barberry, it is pear shaped with an acid flavour[K]. It can be eaten raw in small quantities, though most people would probably prefer to cook it in pies, preserves etc[K]. The fruits are about 15mm long[200].

Medicinal Uses

Disclaimer

Antibacterial; Cancer.

Berberine, universally present in rhizomes of Berberis species, has marked antibacterial effects. 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].

Other Uses

Dye.

A yellow dye is obtained from the root.

Cultivation details

Prefers a warm moist loamy soil but it is by no means fastidious, succeeding in thin, dry and shallow soils[11, 200]. Grows well in heavy clay soils. Succeeds in full sun or light shade[11, 200].
This is probably not a true species but a hybrid involving B. wilsonae and perhaps B. aggregata. There are a number of named varieties selected for their ornamental value, many of these have quite large fruits which are freely borne. The cultivar 'Crawleyensis' has fruits up to 1.5cm long[200].
Hybridizes freely with other members of this genus[1].
Plants can be pruned back quite severely, they resprout well from the base[200].

Propagation

Seed - best sown as soon as it is ripe in a cold frame, when it should germinate in late winter or early spring[78]. Seed from over-ripe fruit will take longer to germinate[78], whilst stored seed may require cold stratification and should be sown in a cold frame as early in the year as possible[80]. The seedlings are subject to damping off, so should be kept well ventilated[113]. When the seedlings are large enough to handle, prick them out into individual pots and grow them on in a cold frame. If growth is sufficient, it can be possible to plant them out into their permanent positions in the autumn, but generally it is best to leave them in the cold frame for the winter and plant them out in late spring or early summer of the following year. A hybrid species, it will not breed true from seed.
Cuttings of half-ripe wood, July/August in a frame.
Cuttings of mature wood of the current season's growth, preferably with a heel, October/November in a frame[78].

Cultivars

'Crawleyensis': This cultivar has larger fruits than the species, they are up to 1.5cm long[200].

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for Berberis rubrostylla (a possible synonym).

[HP] Links, Photos, Suppliers from Hortiplex Plant Database

References for the family Berberidaceae.

To be included in the Flora of China.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981
A classic with a wealth of information on the plants, but poor on pictures.

[78] Sheat. W. G. Propagation of Trees, Shrubs and Conifers. MacMillan and Co 1948
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.

[80] McMillan-Browse. P. Hardy Woody Plants from Seed. Grower Books 1985 ISBN 0-901361-21-6
Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.

[113] Dirr. M. A. and Heuser. M. W. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press 1987 ISBN 0942375009
A very detailed book on propagating trees. Not for the casual reader.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[218] Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985 ISBN 0-917256-20-4
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.

Readers Comments

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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
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We make no claims of magical effects or supernatural powers for any item in this catalog. In spite of legendary attributes or occult and craft tradition, such items are offered as curios only and beliefs concerning their magical effectiveness are related only for historical interest.