Den. primulinum yellow form, also known as Den. polyanthum (Laos)
 
Size: Blooming size, mounted.
 
Care: Den. primulinum yellow form should be in bright indirect sunlight with generous water/fertilizers, reduced waterings as temperature falls, light winter break.
 
Den. primulinum yellow form bloom in spring, deciduous, strong fragrance. Blooms last 2 weeks up to 4 weeks.