|Grid reference||ST 17597 76895|
|Common name||Grignon's thorn|
|Height||5M January 2018|
|Girth||56.5cm January 2018|
This tree is beside the river, 90M north of the Millennium Bridge. No thorns were seen on the tree.
In January 2018 a few fruit remained on the tree.
The following table gives the approximate physical measurements of examined haws together with the number of pips found within them.
|Diameter mm||Length mm||No. of pips|
Measurements were taken in late October 2020. Length measurement was for main body of the fruit and did not include the peduncle.
General tree description
Crataegus x grignonensis is a hybrid of Crataegus pubescens f. stipulacea. It is a small tree, up to about 4 metres tall, with an upright and untidy shape. It has white flowers in May/June and large, bright red fruits which ripen late. The leaves remain green until winter.