<%- fieldname = "concept[inline_#{assoc_klass.name.to_relation_name}]" -%>

<%= assoc_klass.model_name.human(:count => 2) %>

<%= text_area_tag fieldname, owner_klass.send("inline_#{assoc_klass.name.to_relation_name}"), :class => "form-control", :rows => 4 %>