Range of canned peas oddly reduced (5)
I believe the answer is:
andes
'range' is the definition.
(Andes is an example)
'canned peas oddly reduced' is the wordplay.
'oddly reduced' indicates alternate letters (odd-numbered letters are removed).
'canned'+'peas'='cannedpeas'
The alternating letters of 'cannedpeas' are 'ANDES'.
'of' is the link.
(Other definitions for andes that I've seen before include "World's longest mountain range" , "Mountain range in South America" , "Aconcagua the highest in this range" , "South American mountains" , "Great S American mountains" .)