- The Horse Chestnut Tree (Aesculus hippocastanum) or European horse chestnut or buckeye or conker tree
- native to the Balkan Peninsula and introduced to the UK from Turkey in the 16th century
- known for the beauty of its showy flowers of yellow, white, and pink which grow in distinct candle-shaped columns
- seeds, called conkers, are used in a traditional children's game which is also called conkers, in Great Britain and Ireland
- seeds poisonous to humans and most animals, including dogs and horses, but eaten by deer and wild boar
- can live for up to 300 years
- Conservation Status: VULNERABLE