Figure 4From: Distyly and floral morphology of Psychotria cephalophora (Rubiaceae) on the oceanic Lanyu (Orchid) Island, TaiwanBox plots of three floral traits (anther, corolla and stigma heights) of the short- and long-styled morphs of Psychotria cephalophora. Small letters (a, b, c) indicate significant differences at p < 0.001 determined by Tukey-type multiple comparison after one-way ANOVA.Back to article page