Japan Flora: Smaller, 8-13 cm. high, very thinly white-hairy to glabrescent; stems usually with a whitish membranous basal scale, sometimes with last year’s sterile blade persistent; bud white-hairy; sterile blade 3- or 5-angled in outline, 2 or 3 times ternate, 2.5-4 cm. long, 3-5 cm. wide, the segments deltoid-ovate, obtuse, the ultimate segments ovate, obtuse, pinnately lobed, crenate-toothed, the petiole 3-6 cm. long, arising immediately above the base; fertile panicle rather dense, pyramidal, 2-3 cm. long, the pedunde 7-12 cm. long. Aug. Mountains.
Honshu (Shinano Prov.); very rare. Europe to Siberia, and N. America.