!!!Contents of APG 57(1)

Acta Phytotax. Geobot., Volume 57 (1), April 28, 2006

http://wwwsoc.nii.ac.jp/jsps/APG/APG57-1.jpg

*Kato, M.
**Taxonomic studies of Podostemaceae of Thailand. 2. Subfamily Podostemoideae with ribbon-like roots and subfamily Tristichoideae ....1
*H¸«£kkinen, M.
**''Musa barioensis'', a new ''Musa'' species (Musaceae) from northern Borneo ....55
*Okada, H.
**A new species of ''Aridarum'', Schismatoglottideae, Araceae from the Muller Range, Central Kalimantan, Indonesia ....61
*Ibaragi, Y.
**''Arundinella riparia'' subsp. ''brachyaristata'' Ibaragi (Gramineae), a new rheophytic grass from Shikoku, Japan ....65
*Takano, A. & H. Nagamasu
**A new species, ''Etlingera palangkensis'' (Zingiberaceae) from Borneo ....75
*Gale, S., A. Maeda & N. Kuroiwa
**Observation on the phenology and reproductive success of the critically endangered ''Nervilia nipponica' (Orchidaceae) in Kochi Prefecture, Japan ....81
*Terada, Y. & M. Takamiya
**Cytological and genetic study of two putative hybrids and their parents of ''Athyrium'' (Woodsiaceae; Pteridophyta) in Yakushima Island, southwestern Japan ....95

Short communication
*Sakai, S. & H. Nagamasu
**Notes on inflorescence structure of ''Boesenbergia'' (Zingiberaceae) ....107

Published April 28, 2006
The Japanese Society for Plant Systematics