Prunus americana
Prunus americana
Safety & Hazards
The plant (especially the seed and young shoots) contains cyanogenic glycosides, especially amygdalin and prunasin. When injested, these compounds break down in the digestive tract to release cyanide. Used in small quantities in both traditional and conventional medicine, this exceedingly poisonous compound has been shown to stimulate respiration, improve digestion, and promote a sense of well-being[ 238 Title Encyclopaedia of Herbs and their Uses. Publication Author Bown. D. Publisher Dorling Kindersley, London. Year 1995 ISBN 0-7513-020-31 Description A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant. ]. It is also claimed by some to be of benefit in the treatment of cancer - though this claim has been largely refuted. In larger concentrations, however, cyanide can cause gasping, weakness, excitement, pupil dilation, spasms, convulsions, coma and respiratory failure leading to death[ 293 Title Poisonous Plants of North Carolina Publication Author Website http://www.ces.ncsu.edu/depts/hort/consumer/poison/poison.htm Publisher Year 0 ISBN Description An excellent concise but comprehensive guide to toxic plants that grow in N. Carolina. It lists even those plants that are of very low toxicity, including several well-known food plants such as carrots and potatoes. ]. The fruits and flowers of most members of this genus generally have low or very low concentrations of this toxin, though the seeds and young shoots can contain much higher levels. The levels of toxin can be detected by the level of bitterness:- for example sweet tasting almond seeds are a major food crop and are often eaten in quantity, whilst bitter tasting almond seeds are used as a flavouring (in marzipan for example) but are not usually eaten on their own. In general, it can be considered safe to eat any fruit or seed from species in this genus that either have a sweet flavour or are slightly bitter. Great caution should be taken, however, if the flavour is moderately to very bitter[ K Title Plants for a Future Author Ken Fern Description Notes from observations, tasting etc at Plants For A Future and on field trips. ].
Botanical Description
Prunus americana is a moderately thorny, deciduous shrub or a tree with a broad, spreading crown; it can grow 1.5 - 10 metres tall. The bole usually divides low down. The plant produces suckers freely, often developing into a thicket of growth in the wild[ 11 Title Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Publication Author Bean. W. Publisher Murray Year 1981 ISBN - Description A classic with a wealth of information on the plants, but poor on pictures. , 270 Title Flora of N. America Publication Author Website http://flora.huh.harvard.edu/fna/ Publisher Year 0 ISBN Description An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses. , 352 Title KemperCentreForHomeGardeningPlantFinder Publication Author Website http://www.mobot.org/gardeninghelp/plantfinder/ Publisher Missouri Botanical Garden Year 0 ISBN Description Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone. ]. The tree is harvested from the wild for local use as a food, medicine and source of materials. It is often cultivated as a fruit crop in N. America, and is sometimes grown as an ornamental. Although Prunus americana is recorded as threatened in parts of its range, it is a very widely distributed species with a stable native population overall. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].