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(First upload on October 10 2012. Last on January 20 2024) [ 日本語 | English ]

Aconitum L. (トリカブト) Ezotorikabuto (エゾトリカブト, 蝦夷鳥兜), Ezo monkshood* (* tentative) Lifeform: perennial forb Distribution: endemic to the Hokkaido of Japan Habitat: meadows, thickets, and forests Poisonous plant Chromosome number: 2n = 32 Synonyms:

Aconitum yezoense Nakai Aconitum yezoense Nakai var. corymbiferum (Nakai) Tamura Aconitum yezoense Nakai var. macroyezoense (Nakai) Tamura et Namba ssp. sachalinense (カラフトブシ), the type ssp. yezoense (Nakai) Kadota (エゾトリカブト) var. compactum Miyabe et Tatewaki (リシリブシ): Rishiri and Rebun Islands

Aconitum sachalinense in Hokkaido

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ssp. yezoense (エゾトリカブト)

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4 5
[1-4] on a forest floor in Tomakomai Experimental Forest, HU. [1] on August 23 2012. [2] on September 17 2015. [5] in Shibetsu wetland, eastern Hokkaido, on Augsut 28 2020. Records: along O-sawa Course in Nopporo Forest Park on July 17 2021.

ssp. sachalinense (カラフトブシ)

1 2 3
[1-3] in a forest (Symbiosis Forest) near Nopporo Forest Park on May 5 2020.

Artificial hybrids

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A. okuyamae × A. sachalinense ssp. yezoense (ウンゼントリカブト × エゾトリカブト)

1 2 3
[1-3] in a herb garden in Hokkaido University Botanic Garden on September 30 2023.