Leaf morphology of tetraploid plants of Aspidistra subrotata. from 4th boundary marker population. a–c sublinear leaves with a. smooth face b blotches c blotches and raised secondary veins d–e narrowly lanceolate leaves with d smooth face e blotches f–h ovate–lanceolate leaves with f smooth face g blotches h blotches and raised secondary veins i plants with ovate–lanceolate leaves and ones with sublinear leaves grow together.