As classified in WFO snapshot
December 2023
Warning: older classification
variety
Plectranthus longitubus var. effusus
Maxim.
This variety name was first published in Bull. Acad. Imp. Sci. Saint-Pétersbourg , sér. 3, 20: 451 (1875)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .