Pedicularis ochiaiana Makino

Family: Orobanchaceae
English: Lousewort (sp) or Wood betony (sp)
Japanese: ヤクシマシオガマ (屋久島塩竃) [Yakushima Shiogama]

Genus of hemiparasytic plants that I might mistake for ferns upon a casual glance when the flowers aren't blooming. This species is endemic to Yakushima.

References:
Wood-betony and the Art of Preserving Ecological Communities, Notes from a Changing World (2010) Referenced September 5, 2016 from https://notesfromachangingworld.wordpress.com/2010/07/24/wood-betony-and-the-art-of-preserving-ecological-communities/
米倉浩司・梶田忠 (2003-)　「BG Plants 和名－学名インデックス」（YList），http://ylist.info（ 2019年8月14日）
屋久島の植物?世界自然遺産の島 川原勝征，初島住彦監修,1995：八重岳書房