Prunus emarginata

From Permawiki
Jump to navigation Jump to search
Prunus emarginata
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:6
Soil pH:5.6-8.4
Height:16'
Speed:Moderate
Blooms:Late Spring
Open Woods Forest
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility Rating
Medicinal Rating:PFAF Medicinal RatingPFAF Medicinal Rating
Tea:Yes
Poisonous

Prunus emarginata (common name: bitter cherry)

Propagation: Seed - requires 2 - 3 months cold stratification and is best sown in a cold frame as soon as it is ripe[1]. Sow stored seed in a cold frame as early in the year as possible[1]. Protect the seed from mice etc. The seed can be rather slow, sometimes taking 18 months to germinate[2]. Prick out the seedlings into individual pots when they are large enough to handle. Grow them on in a greenhouse or cold frame for their first winter and plant them out in late spring or early summer of the following year.

Cuttings of half-ripe wood with a heel, July/August in a frame[3][1].

Softwood cuttings from strongly growing plants in spring to early summer in a frame[1].

Layering in spring.

Cultivation: Thrives in a well-drained moisture-retentive loamy soil[3][1]. Prefers some lime in the soil but is likely to become chlorotic if too much lime is present[4]. Succeeds in sun or partial shade though it fruits better in a sunny position[3][1]. This species is unable to tolerate much shade competition from other trees[5].

A fast-growing but short-lived species in the wild[5].

The flowers diffuse a soft honey scent[6].

Most members of this genus are shallow-rooted and will produce suckers if the roots are damaged[7].

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

Range: Western N. America - British Columbia to California and New Mexico.

Habitat: Moist woods or by watercourses in grassland and sagebrush desert at medium elevations in mountains[8].

Edibility: Fruit - raw or cooked[5]. Intensely bitter[4][3][9][10]. Some native North American Indian tribes saw the fruit as a great delicacy and an important food source, though others only ate it occasionally because of its bitter taste[11]. The fruit is 8 - 15mm in diameter with a thick flesh, and contains one large seed[5].

Seed - raw or cooked. Do not eat the seed if it is too bitter - see the notes above on toxicity.

Medicinal: Bitter cherry was employed medicinally by several native North American Indian tribes who used it to treat a variety of complaints[11]. It is little, if at all, used in modern herbalism.

The bark is blood purifier, cardiac, laxative and tonic[11]. An infusion of the bark has been used in the treatment of tuberculosis and eczema[11].

A decoction of the root and inner bark has been taken daily as a treatment for heart troubles[11].

An infusion of the bark, combined with crab apple bark (Malus spp) has been used as a cure-all tonic in treating colds and various other ailments[11].

The bark, stuck on with resin, has been used as a dressing for wounds, swellings etc[12][11].

An infusion of the rotten wood has been used as a contraceptive[11].

Although no specific mention has been seen for this species, all members of the genus contain amygdalin and prunasin, substances which break down in water to form hydrocyanic acid (cyanide or prussic acid). In small amounts this exceedingly poisonous compound stimulates respiration, improves digestion and gives a sense of well-being[7].

Usage: A green dye can be obtained from the leaves[13].

A dark grey to green dye can be obtained from the fruit[13].

The bark is used to ornament baskets and is also split into strips and used for making baskets that are watertight and resist decay[10][11]. The bark is both strong and flexible as well as being ornamental[11]. The thin outer bark can be peeled off the tree in the same way as birch trees[12]. It has been used to make baskets, mats, ropes and as an ornament on bows, arrows etc[12][11]. The bark can also be made into a string[11].

Wood - close-grained, soft, brittle[9]. It is sometimes used for furniture because it takes a high polish[5]. An excellent fuel[10].

Pollinators: Insects

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

Drainage: Prefers well drained soil.

Seed Ripens: Mid Summer-Late Summer

Flower Type: Hermaphrodite

Known Hazards: Although no specific mention has been seen for this species, it belongs to a genus where most, if not all members of the genus produce hydrogen cyanide, a poison that gives almonds their characteristic flavour. This toxin is found mainly in the leaves and

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. Dirr, Michael and Charles Heuser. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press, 1987.
  3. 3.0 3.1 3.2 3.3 Bean, William. Trees and Shrubs Hardy in Great Britain. Murray, 1981.
  4. 4.0 4.1 Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  5. 5.0 5.1 5.2 5.3 5.4 Elias, Thomas. The Complete Trees of North America. Van Nostrand Reinhold, 1980.
  6. Genders, Roy. Scented Flora of the World. Robert Hale, 1994.
  7. 7.0 7.1 Bown, Deni. Royal Horticultural Society Encyclopaedia of Herbs and Their Uses. Dorling Kindersley, 1995.
  8. Hitchcock, Leo. Vascular Plants of the Pacific Northwest. University of Washington Press, 1955.
  9. 9.0 9.1 Sargent, Charles. Manual of the Trees of North America. Dover, 1965.
  10. 10.0 10.1 10.2 Turner, Nancy. Plants in British Columbian Indian Technology. British Columbia Provincial Museum, 1979.
  11. 11.00 11.01 11.02 11.03 11.04 11.05 11.06 11.07 11.08 11.09 11.10 11.11 Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.
  12. 12.0 12.1 12.2 Lauriault, Jean. Identification Guide to the Trees of Canada. Fitzhenry and Whiteside, 1989.
  13. 13.0 13.1 Grae, Ida. Nature's Colors. MacMillan Publishing, 1974.