Cornus mas

Cornus mas covered with snow  

Cornus Mas, Cornelian Cherry, gele  kornoelje, cornouiller mâle, ou sauvage (pictures)
It is a large winter-flowering  shrub with tinny bright yellow flowers, which make a real impact this time of the year when colour is very scare.
The flowers are produced in profusion along the tree’s bare branches. 
Pruning can keep him relatively compact.  .
In autumn they produce red cherry-like fruits which are edible