Rubus macropetalus
California Blackberry
a perennial woody deciduous member of the Rubus genus in the family Rosaceae.
Taxonomy and growth
Uses
Edible uses
This section contains historical Plants For A Future notes marked noncommercial.
Fruit - raw or cooked[8][2][7]. It can also be dried for later use[4]. The fresh or dried leaves can be used to make a tea[7].
- Plant part
- Fruit
- Product or use
- Tea
Medicinal uses
Historical medicinal uses. These records describe reported uses. They do not establish safety or effectiveness. Ask a qualified health professional before using any plant medicinally.
This section contains historical Plants For A Future notes marked noncommercial.
An infusion of the leaves has been used in the treatment of stomach complaints[7].
- Product or use
- Stomachic
Material uses
This section contains historical Plants For A Future notes marked noncommercial.
A purple to dull blue dye is obtained from the fruit[5].
- Product or use
- Dye
Environment
- Range
- Western N. America - British Columbia to California.
- Habitat
- Field banks and disturbed areas below 1300 metres in California[8].
- Light
- full sun
- Shade tolerance
- light shade
- Water
- moderate
- Soil textures
- sandy, loamy, clay
- Soil pH
- acid, neutral, alkaline
- Drainage
- well drained
- Tolerates Nutritionally Poor Soil
- No
- Drought
- intolerant
Propagation
This section contains historical Plants For A Future notes marked noncommercial.
Seed - requires stratification and is best sown in early autumn in a cold frame. Stored seed requires one month stratification at about 3°c and is best sown as early as possible in the year. Prick out the seedlings when they are large enough to handle and grow on in a cold frame. Plant them out into their permanent positions in late spring of the following year. Cuttings of half-ripe wood, July/August in a frame[6]. Tip layering in July. Plant out in autumn. Division in early spring or just before leaf-fall in the autumn[6].
Cultivation
This section contains historical Plants For A Future notes marked noncommercial.
Easily grown in a good well-drained loamy soil in sun or semi-shade[1][3][6]. Sometimes cultivated for its edible fruit, there are some named forms[8]. Plants in this genus are notably susceptible to honey fungus[6].
References
F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00
Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976-00-00
Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981-00-00
Gunther. E. Ethnobotany of Western Washington. University of Washington Press 1981-00-00 ISBN 0-295-95258-X
Grae. I. Nature's Colors - Dyes from Plants. MacMillan Publishing Co. New York. 1974-00-00 ISBN 0-02-544950-8
Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5
Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998-00-00 ISBN 0-88192-453-9
Munz. A California Flora. University of California Press 1959-00-00