Primulina subrhomboidea is a Chinese species that tolerates quite cold temperatures in winter, if good drainage is provided. Under seasonal conditions, the plant produces a substantial crown of blooms in spring when warmer temperatures arise. It can be readily grown indoors, without seasonal variation, and produces beautiful flowers but somewhat more sparsely than in a seasonal spring flush.
Additional photos of this species can be seen by clicking on one of the links below, which will result in a slideshow of all the images. Note that older photos may not have accurate color, due to lighting conditions or film/scanning variables.
The whole plant for this flower
An elegant flower cluster in a windowsill
A seasonally prolific blooming plant