Rubus laciniatus

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Rubus laciniatus
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:5
Soil pH:5.6-8.4
Height:8'
Speed:Fast
Blooms:Mid Summer-Late Summer
Open Woods Forest
Edible Rating:PFAF Edibility RatingPFAF Edibility RatingPFAF Edibility RatingPFAF Edibility RatingPFAF Edibility Rating
Tea:Yes
Poisonous

Rubus laciniatus (common name: oregon cut-leaf blackberry)

Propagation: 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[1].

Tip layering in July. Plant out in autumn.

Division in early spring or just before leaf-fall in the autumn[1].

Cultivation: Easily grown in a good well-drained loamy soil in sun or semi-shade[2][3][1].

This species is a blackberry with biennial stems, it produces a number of new stems each year from the perennial rootstock, these stems fruit in their second year and then die[1].

The plant produces apomictic flowers, these produce fruit and viable seed without fertilization, each seedling is a genetic copy of the parent[1].

Sometimes cultivated for its edible fruit, it is a very vigorous and productive plant[4]. There is at least one named variety. 'Oregon Cutleaf Thornless' is high yielding with good flavoured fruits and no prickles on the stems, thus making it easier to harvest[5].

Plants in this genus are notably susceptible to honey fungus[1].

Range: The origin of this plant is uncertain.

Habitat: Not known in a truly wild situation.

Edibility: Fruit - raw or cooked[4][6][7][8]. Large sweet and juicy with a fine flavour[3][9]. The fruit is about 20mm in diameter[1].

Usage: A purple to dull blue dye is obtained from the fruit[10].

Pollinators: Insects, apomixy

Soil: Can grow in light, medium, and heavy soils.

Drainage: Prefers well drained soil.

Seed Ripens: Late Summer-Early Fall

Flower Type: Hermaphrodite

Also Known As: R. fruticosus laciniatus.

Links

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  3. 3.0 3.1 Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  4. 4.0 4.1 Simmons, Alan. Growing Unusual Fruit. David and Charles, 1972.
  5. Clapham, Arthur and Tom Tootin, Edmund Warburg. Flora of the British Isles. Cambridge University Press, 1962.
  6. Nicholson, Barbara and Stephen Harrison. The Oxford Book of Food Plants. Oxford University Press, 1975.
  7. Turner, Nancy. Edible Wild Fruits and Nuts of Canada. National Museum of Natural Sciences, 1978.
  8. Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.
  9. Facciola, Stephen. Cornucopia - A Source Book of Edible Plants. Kampong Publications, 1990.
  10. Grae, Ida. Nature's Colors. MacMillan Publishing, 1974.