⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2796389, with some changes.

Eriogonum orthocaulon Small is a synonym of Eriogonum ovalifolium var. purpureum (Nutt.) Durand

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Torrey Bot. Club 33: 53 1906.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:95271-2.