We analyzed phenolic compounds in the leaves of Pedicularis chamissonis which were obtained from a wide range of Japan. Acteoside and luteolin 7-O-glucuronide were found as major compounds in the all plants from various populations. Luteolin 7-O-glucoside was additionally found in the plants sampled from in the southern part of their habitats. Fujii et al. (2013) divided the plants into two spe...
