|Grid reference||ST 18502 79199|
|Common name||Prickly castor oil tree|
|Common name||Castor aralia|
|Height||11M May 2015|
|Girth||99cm May 2015|
This tree is on the north east side of Acer Lawn, beside the footpath leading west from the northern-most footbridge.
General tree description
Kalopanax septemlobus can grow up to 15 to 25 metres tall. Its branches bear scattered sharp thorns and its leaves are palmate. These are 10 to 20 cm long and broad, with 5 to 7 lobes. The flowers are white, in small flat clusters, appearing in autumn and developing into 5mm blue-black berries.