Species in the genus Aconitium:

Aconitum japonicum ssp. Japonicum / Yamatorikabuto
Aconitum japonicum ssp. napiforme / Tannatorikabuto
Aconitum japonicum ssp. napiforme f. albiflorum / Shirobanatannatorikabuto
Aconitum sanyoense / San'youbushi

　

Aconitum japonicum ssp. napiforme / Tannatorikabuto タンナトリカブト

Aconitum japonicum ssp. napiforme, a toxic perennial herb, inhabits forests in mountainous regions on the Japan Sea side, stems measure approximately one meter in height, and leaves are cleft in three; the leaflets also cut themselves in shallow to midways. Flowers, blue-purple, each 3-4cm in length, come in inflorescences and bloom in order from the bottom. Bloom time: September-November.