Aconitum fischeri Rchb.

Caudex conical. Stem erect or apically slightly curved, 1--1.6 m tall, simple or apically branched, retrorse pubescent, or glabrous, with 12--18 leaves equally arranged along stem. Proximal cauline leaves withered at anthesis, long petiolate; petiole 6.5--9 cm, retrorse pubescent; leaf blade subpentagonal, 8--12 × 12--15 cm, abaxially sparsely curved pubescent, adaxially becoming glabrous, 3-parted; central lobe rhombic, apex acuminate; lateral lobes unequally 2-parted. Inflorescence: terminal 4--6-flowered, axillary 2-or 3-flowered; rachis and pedicels slightly pubescent, glabrous or nearly so; bracts leaflike. Pedicels 1--3 cm, sparsely retrorse pubescent, sometimes glabrescent, with 2 bracteoles at middle; bracteole narrowly linear, 2.5--4 mm. Sepals purplish blue, abaxially glabrous or nearly so; lower sepals 8--11 mm; lateral sepals 1--2 cm; upper sepal high galeate, 1.4--2.5 cm high, shortly beaked, lower margin 1.2--2 cm. Petals glabrous; limb ca. 8 mm; lip ca. 4.5 mm, 2-lobed at apex; spur slightly circinate, ca. 2 mm. Stamens glabrous, rarely pubescent; filaments entire. Carpels 3, along ventral suture pubescent. Follicles ca. 1.4 cm, glabrous. Seeds ca. 2.5 mm. Fl. Aug.

Riverside forests on alluvium, often in large groups, clearings, occasionally in birch and alder forests and very rarely on herb covered slopes in Kamtschatka.

Can be grown by divisions or seedlings.