⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35107564, with some changes.
This name is a synonym of Philonotis calcarea f. loeskeana .
The record derives from Tropicos which reports it as a synonym (record 35107564
) with original publication details: Mitt. Bayer. Bot. Ges. 2(7): 107 107 1908.