Taxonomic revision of Polygalaceae (Fabales) in Taiwan

Several morphological and palynological characteristics-including petiole length, number of anthers, calyx persistence, presence of petaloid sepals, morphology of keel appendages, fruits, seed appendages, and shapes and polarity of pollen-were observed in this study. Five genera and nine species of the family Polygalaceae are recognized in Taiwan, including one new combination, <i>Heterosamara arcuata</i> (Hayata) J.Y. Wu & T.Y.A. Yang, <b>comb. nov.</b> Keys to the genera and species, taxonomic descriptions, tables summarizing characteristics, and photographs of each taxon are also provided.