Figure 7From: Distyly and floral morphology of Psychotria cephalophora (Rubiaceae) on the oceanic Lanyu (Orchid) Island, TaiwanPollen tubes in pistils approximately 24 h after intermorphic (A, C) and self- (B, D) pollinations in short- (A, B) and long-styled (C, D) morphs in Psychotria cephalophora observed with fluorescence microscopy. All scale bars = 100 μm.Back to article page