“…Floral ontogenetic studies in the Saxifragaceae are few (e.g. Eichinger 1907, Eckert 1966, Gelius 1967, Klopfer 1968, 1970, 1973, Payer 1857, Vandeputte 1993, albeit they can provide important characters for phylogenetic studies based on morphological characters (see e.g. Hufford 1997, Ronse Decraene and Smets 1998, Tucker et al 1993, Tucker and Douglas 1994.…”