We do not currently know of any synonyms for shell ginger.
The noun shell ginger is defined as:
An East Asian plant related to ginger, Alpinia zerumbet, grown for its showy flowers, which are shell-pink on the outside and intensely orange and red on the inside.
New Story Writing Game!
Win Amazon gift cards by writing simple stories at Fictish,
a new story writing game backed by WordHippo.