The Leicester prop is required by the Tigers for Saturday’s wild-card final at Twickenham against Sale Sharks so is unavailable for the pre-tour match at Bristol.
It is three years since Morris, a British Lion in 2001, last played for Wales.
But Mike Ruddock chose to re-call the prop, rejuvenated by a season at Welford Road, for this summer’s tour to Argentina and South Africa.
Morris had been named on the bench for the game against the Baa-Baas at Ashton Gate but his place is now taken by second-row Peter Sidoli, younger brother of Wales lock Robert.
Meanwhile 20-year-old hooker Huw Bennett has taken the last place on the bench as back-up to Mefin Davies.
