Michael Grayum 10841 Det. by: M. Grayum, VIII 1995 Phenology: 10 August 1995 09:47N 83:20W 1000 m LIMON, LIMON Cordillera de Talamanca. Terrestrial in more or less swampy site in forest. Rhizome erect. Petiole spiny, as in tree-ferns.