Rubus flagellaris

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Rubus flagellaris
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:3
Soil pH:5.6-8.4
Height:1'
Width:7'
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility RatingPFAF Edibility Rating
Medicinal Rating:PFAF Medicinal RatingPFAF Medicinal RatingPFAF Medicinal Rating
Tea:Yes
Poisonous

Rubus flagellaris (common name: northern dewberry)

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].

A very polymorphic species[4], it is sometimes cultivated for its edible fruit and there are some named varieties[2][5][6].

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].

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

Range: Eastern N. America.

Habitat: Dry fields, openings and borders of thickets[4] in slightly acid soils[7].

Edibility: Fruit - raw or cooked in pies, preserves etc[8][9][10][11][5][6][12]. A rich flavour[4]. The fruit is about 15mm in diameter[1].

Young shoots - peeled and eaten raw[6]. They are harvested as they come through the ground in spring and whilst they are still young and tender.

The dried leaves make a fine tea[6].

Medicinal: The root is astringent, stimulant and tonic[12]. An infusion has been used in the treatment of diarrhoea, venereal disease and rheumatism[12]. An infusion has been used as a wash in the treatment of piles[12]. The root has been chewed as a treatment for a coated tongue[12].

The leaves are astringent[12]. An infusion has been used in the treatment of diarrhoea[12].

Usage: A purple to dull blue dye is obtained from the fruit[13].

A black dye is obtained from the green twigs[14].

Pollinators: Insects, apomixy

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

Drainage: Prefers well drained soil.

Flower Type: Hermaphrodite

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. 2.0 2.1 Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  3. Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  4. 4.0 4.1 4.2 Lyndon, Merritt. Gray's Manual of Botany. American Book Co, 1950.
  5. 5.0 5.1 Hill, Albert. Economic Botany. The Maple Press, 1952.
  6. 6.0 6.1 6.2 6.3 Facciola, Stephen. Cornucopia - A Source Book of Edible Plants. Kampong Publications, 1990.
  7. McPherson, Alan and Sue McPherson. Wild Food Plants of Indiana. Indiana University Press, 1977.
  8. Uphof, Johannes. Dictionary of Economic Plants. Weinheim, 1959.
  9. Usher, George. A Dictionary of Plants Used by Man. Constable, 1974.
  10. Tanaka, Tyōzaburō. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing, 1976.
  11. Yanovsky, Elias. Food Plants of the North American Indians Publication 237. US Department of Agriculture.
  12. 12.0 12.1 12.2 12.3 12.4 12.5 12.6 Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.
  13. Grae, Ida. Nature's Colors. MacMillan Publishing, 1974.
  14. Coffey, Timothy. The History and Folklore of North American Wild Flowers. Facts on File, 1993.