Russia Flora: Plant up to 1.5 m tall, smooth. Root powerful, tuber-like thickened, nodular, with few roots. Stem solitary, erect, with 4 dry sheathing leaves at base, in upper part with 1-3 triply ternate leaves, of which lower ones have long petioles, others sessile. Leaf segments up to 8 cm long, 4 cm wide, long-petioled, pinnately divided, entire or with 1-2 teeth, light green above, glaucous below. Inflorescence paniculate, few-flowered. Flowers arranged 1-3, on long pedicels, pale yellow. Sepals 9, inner ones larger, petaloid. Petals shorter than sepals, 6 in number, obovate, almost spatulate, expanded valve-like and transformed into nectaries. Stamens 6, free. Pistil one, with non-expanded style, with longitudinal stripe on inner side functioning as stigma. Fruit a capsule, with early dying walls, resulting in 2 spherical drupe-like seeds hanging on funicles. 2n=16 (Gurzenkov, 1973). (Table V).

Distribution: North Sakhalin (very rare), Lower Zeya, Bureya, Amgun (rare), Ussuri, South Sakhalin, South Kuril (Kunashir Island). (Fig. 13) - In lower and middle forest zones, in coniferous-broadleaved and broadleaved forests, on rocky areas, along stream valleys, alongside roads. Flowering in June, fruiting in August.

General distribution: Japanese-Chinese - Described from Khabarovsk: "In deciduous forests and at the edge of coniferous forests along lower Amur, scattered: Kitsi, June 8 (flowering); Borbi, quite frequent, June 3 (flowering); between Adi and Tottjcho, quite frequent, June 1 (flowering); near Zjanka above Garin mouth, July 7 (immature fruit); Myllki, rare, May 17 (beginning to flower); at Chungar mouth near Chungari village, July 11 (fruiting); at foot of Geong Ridge, rare, May 25 (flowering); Onmoy, rare, May 21 (flowering); Dshare, July 18, 1855 (fruiting). On southern Amur: Chorroko above Ussuri mouth, July 9, 1855 (mature fruit, Maack)" (syntypes - LE).