⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26002812, and has not been changed.

Polygonum calostachyum Diels is a synonym of Polygonum griffithii Hook. f.

This name is a synonym of Polygonum griffithii Hook. f..

The record derives from Tropicos which reports it as a synonym (record 26002812) with original publication details: Notes Roy. Bot. Gard. Edinburgh 5(25): 261 261 1912.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:695515-1.