Young seedpods - cooked. The pods contain a sweetish pulp that is safe to eat and is relished by small children.(This report is quite probably mistaken, having been confused with the honey locust, Gleditsia spp[K].) A strong, narcotic and intoxicating drink is made from the skin of the fruit. Piperonal is extracted from the plant, it is used as a vanilla substitute. No further details. All the above entries should be treated with some caution, see the notes at the top of the page regarding toxicity.Flowers - cooked. A fragrant aroma, they are used in making jams and pancakes. They can also be made into a pleasant drink.
An essential oil is obtained from the flowers. Highly valued, it is used in perfumery. A yellow dye is obtained from the bark. Robinetin is a strong dyestuff yielding with different mordants different shades similar to those obtained with fisetin, quercetin, and myricetin; with aluminum mordant, it dyes cotton to a brown-orange shade. The bark contains tannin, but not in sufficient quantity for utilization. On a 10% moisture basis, the bark contains 7.2% tannin and the heartwood of young trees 5.7%. The bark is used to make paper and is a substitute for silk and wool. Trees sucker freely, especially if coppiced, and they can be used for stabilizing banks etc.Wood - close-grained, exceedingly hard, heavy, very strong, resists shock and is very durable in contact with the soil. It weighs 45lb per cubic foot and is used in shipbuilding and for making fence posts, treenails, floors etc. A very good fuel, but it should be used with caution because it flares up and projects sparks. The wood of Robinia pseudoacacia var. rectissima, the so called 'Long Island' or 'Shipmast' locust, has a greater resistance to decay and wood borers, outlasting other locust posts and stakes by 50 - 100%.
The flowers are antispasmodic, aromatic, diuretic, emollient and laxative. They are cooked and eaten for the treatment of eye ailments. The flower is said to contain the antitumor compound benzoaldehyde. The inner bark and the root bark are emetic, purgative and tonic. The root bark has been chewed to induce vomiting, or held in the mouth to allay toothache, though it is rarely if ever prescribed as a therapeutic agent in Britain. The fruit is narcotic. This probably refers to the seedpod.The leaves are cholagogue and emetic. The leaf juice inhibits viruses.
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A fast-growing tree for the first 30 years of its life, it can begin to flower when only 6 years old, though 10 - 12 years is more normal. The flowers are a rich source of nectar and are very fragrant with a vanilla-like scent. The branches are brittle and very liable to wind damage. When plants are grown in rich soils they produce coarse and rank growth which is even more liable to wind damage. The plants sucker freely and often form dense thickets, the suckers have vicious thorns. There are some named varieties selected for their ornamental value, some of these are thornless. Any pruning should be done in late summer in order to reduce the risk of bleeding. The leaves are rich in tannin and other substances which inhibit the growth of other plants. A very greedy tree, tending to impoverish the soil. (Although a legume, I believe it does not fix atmospheric nitrogen[K]) A very good bee plant.This species is notably resistant to honey fungus.
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
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This table shows all the data stored for this plant.
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