Acanthocalyx delavayi is a small perennial plant species that grows in stony ground. It can be found in Yunnan, China. Each rosette of leaves supports an inflorescence on which are held 10-15 light purple flowers. Its sepals and leaves are protected by spines.

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az:Acanthocalyx delavayi es:Acanthocalyx delavayi pt:Acanthocalyx delavayi