Leaves obovate to about 25 cm long, margins finely toothed; stalk winged. Flowers purplish red, at least 2 cm wide in 1-6 superimposed flat clusters; early summer.

Japan

Source: Jepson, A.; Spencer, R. (1997). Primula. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.