Japan Flora: Usually larger, often 1 m. high or more; stipes stouter, to 1 cm. across at base; pinnae pinnatiparted on both sides, the lowest sometimes with a sessile branch on posterior side near base, the pinnules 6-10 mm. wide, usually acute. More common
Honshu (Ugo Prov. and Kanto Distr. westw.), Shikoku, Kyushu. Korea and Formosa.