⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-8500323, and has not been changed.

Ipomoea collina House is a synonym of Ipomoea orizabensis var. collina (House) J.A. McDonald

This name is a synonym of Ipomoea orizabensis var. collina (House) J.A. McDonald.

The record derives from Tropicos which reports it as a synonym (record 8500323) with original publication details: Bot. Gaz. 43(6): 412, f. 4 412 1907.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:129263-2.