Japan Flora: Stout slighdy hairy herb 25-40 cm. high; stems naked at base (rarely with an old persistent frond attached); sterile blade herba­ceous, 5-angled in outline, petiolate, 8-15 cm. long, 10-20 cm. wide, 3 or 4 times ternate, the pinnae deltoid or deltoid-ovate, acute to subacuminate，petiolulate, the pinnules oblong-ovate to broadly lanceolate, pinnately lobed to parted, acuminate, aristu- late-toothed, the lowest basal lobe flabellate-orbicular, the peti­oles 5-15(-20) cm. long, stout, green to brownish or yellowish, arising 3-10 cm. above the base of the stem; fertile panicle 7-15 cm. long, yellow-brown to brown, the peduncle erect, rather stout, slighdy longer to twice as long as the sterile blade.  Sept.-Nov.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.