Laburnum
Laburnum
Laburnum (pronunciation: ləˈbərnəm), also known as the golden chain tree, is a genus of two species of small trees in the subfamily Faboideae of the pea family Fabaceae. The species are Laburnum anagyroides—common laburnum and Laburnum alpinum—alpine laburnum. They are native to the mountains of southern Europe from France to the Balkan Peninsula.
Etymology
The term "Laburnum" is derived from the Latin laburnum, used by Pliny the Elder to refer to a plant, possibly a type of broom, and adopted by Linnaeus to this genus.
Description
Laburnum trees are deciduous and renowned for their spectacular display of golden yellow flowers in spring. They have long, veined, trifoliate leaves, with various flowering patterns. The flowers are yellow, sweet-scented, often showy racemes, which are pendulous and made up of several small pea-like flowers.
Toxicity
All parts of the plant are poisonous, and can be lethal if consumed in excess. Laburnum's poison is cytisine, a nicotinic receptor agonist. It is especially dangerous for children, who may be tempted by its bright yellow flowers and glossy, candy-like seeds.
Cultivation and uses
Laburnum is often used as an ornamental tree due to its vibrant color and pleasing form. It is also used in bonsai and for making musical instruments. Despite its toxicity, it has been used in herbal medicine, with caution.
Related terms
External links
- Medical encyclopedia article on Laburnum
- Wikipedia's article - Laburnum
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