Japan Flora: More or less pubescent herb; stems branched, 30-60 cm. long; sdpules membranous, appressed, caudate with a long setaceous tip, green, the leaflets ovate, elliptic, or oblong, 3-5 cm. long, often with a lunate band; heads rather large, globose to ovoid, subtended by a pair of leaves with much- dilated stipules at base; calyx-teeth subulate, unequal, not exceeding the corolla. May-June.