Polygonum punctatum f. longicollum Fassett
This is a synonym of
Persicaria punctata (Elliott) Small
Polygonum punctatum f. longicollum Fassett appears in other Kew resources:
First published in Brittonia 6: 379 (1949)
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0