Figure 3.
The variations and morphological characters of E.leptorrhizum. A the colour variations of inner sepals and petals B–E variations of the number and arrangement of stem-leaves F long creeping rhizome G stout and compact rhizome.
Figure 4.
Geographical variation in flower colour patterns within E.leptorrhizum (boxes), E.pauciflorum (circles), E.mikinorii (diamonds) and E.glandulosopilosum (triangle). The colour of the boxes, circles, diamonds and triangle represent flower colour. The population codes are shown in Table 1. The left area of the red dotted line is western China.
