⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Orthocarpus gracilis in version 1.1 of The Plant List.

Orthocarpus gracilis Benth. is a synonym of Castilleja densiflora var. gracilis (Benth.) J.M. Egger

This name is a synonym of Castilleja densiflora var. gracilis (Benth.) J.M. Egger.

The record derives from Tropicos which reports it as a synonym (record 29206037) with original publication details: Scroph. Ind. 12 12 1835.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:176753-2.