⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50133834, and has not been changed.
This name is a synonym of Polygonum microcephalum var. sphaerocephalum .
The record derives from Tropicos which reports it as a synonym (record 50133834
) with original publication details: Bot. Jahrb. Syst. 49(2): 277, in obs. 277 1913.