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The strict consensus tree of 6291 trees from parsimony analysis of psbA-trnH sequences of Paris and Trillium (length = 104, CI = 0·61, RI = 0·85). Bootstrap percentages >50 % are shown above branches. Two contrasting views of generic delimitation (see text) and the subgenera and sections of Li (1998) are indicated on the right. Section abbreviations are as in Fig. 1. I = capsular species with 3- to 6-whorled stamens, II = capsular species with 2-whorled stamens.
