Pinguicula ramosa
A tiny, endangered temperate butterwort endemic to a few mountains around Nikkō in central Honshu, Japan, and the only Pinguicula with branched (forked) flower stalks. It clings to damp, foggy granite and volcanic cliffs at about 1500–1900 m and spends the winter as a small resting bud (hibernaculum). It needs a cool summer and a real cold winter dormancy.
Where it grows wild
Wet, often vertical faces of weathered granite and volcanic rock in damp, foggy places, in full sun to partial shade, growing among mosses with Saxifraga fortunei and Primula modesta. The cliffs stay moist from seepage and mist through the growing season.
Literature gives 1500–1900 m on Mount Kōshin and nearby peaks. Our records carry no elevation, but the points cluster in the Nikkō mountains of Tochigi and Gunma.
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More Pinguicula
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.