Cannabis Ruderalis October 12, 2016 thcscience_admin For the political party in Scotland, see Scottish Conservative and Unionist Party. Scaup is the common name for three species of diving duck: Greater scaup, or just "scaup", Aythya marila Lesser scaup, Aythya affinis New Zealand scaup, Aythya novaeseelandiae External links[edit]