This sounds like a hawthrorn tree. the latin genus name is Crataegus
Check this thread here, pics included:
http://www.ubcbotanicalgarden.org/forums/showthread.php?t=33592
Their tree was identified as a Washington Hawthorn
ITS THE Queen of thorns. you mostly see covered in flowers
Try the Sea Buckthorn. Hippophae rhamnoides.
The color of the berries on the Rowan tree are usually red.
Mesquites
I purchased and planted the tree 04/10. At that time I was not aware of any thorns. The tree now (08/10) has 2 more branches growing from the base of the trunk and they both have thorns.
The tree that has large thorns and yellow, fuzzy fruit is called the Poncirus trifoliata. The species was introduced from China.
berries on a flowering crab tree (Malus) are apples and are not posonous.
A bramble.
Most fruit trees have thorns they must be planted from the fruit itself because the trees you purchase at a nursary are bred to not have thorns. the tree uses its thorns to protect its fruit from other animals. the only wild fruit tree that does not have thorns is the fig tree.
The color of the berries on the Rowan tree are usually red.
No, osage orange thorns are not poisonous. Arborists and horticulturalists do not find any part of the deciduous tree in question (Maclura pomifera) toxic. As with any injury, severe wounds from osage orange thorns nevertheless may turn into infections if not cleaned regularly and monitored properly.
There are no apple trees that have thorns. There is a tree called the Hawthorn Thornapple tree that has thorns as its name suggests.
I have a mature tree with thorns over 3" long.
It is a common small deciduous tree in the UK. It has white flowers in the Spring called "May blossom" which produce red berries in the Autumn called "hips". The tree has thorns and is ideal for making hedges.
Well, depending on the kind of lemon tree. Most do have thorns, but the thorns usually decrease as the tree gets older.
Mesquites
I purchased and planted the tree 04/10. At that time I was not aware of any thorns. The tree now (08/10) has 2 more branches growing from the base of the trunk and they both have thorns.
Rowan tree berries are not poisonous to horses. They are usually not interested in eating rowan tree berries. These berries actually have a variety of medicinal uses.
Apparently the wild pear tree or common pear has wicked thorns at the end of new branch shoots.