⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-13013446, with some changes.
This name is a synonym of Calia secundiflora f. xanthosperma (Rehder) Yakovlev.
The record derives from Tropicos which reports it as a synonym (record 13013446) with original publication details: J. Arnold Arbor. 10(2): 134 134 1929.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:240579-2.