毒消草の夢 デトックスプランツ・ヒストリー
Contrayerba in dreaming  -detox plants-history
The mysterious herb “KON-TA-RA-E-RU-HA” [昆答刺越兒發], which appeared in several prescriptions of Dutch medicines in the Edo era. “Contra” means counter poison and “yerba” is a herb in Spanish. This is the meaning of KONTARAERUHA.
Tracing KONTARAERUHA in old books of Dutch studies in Japan and herbals or medical books written during the Great Discoveries, several plants sharing this one name appeared and then disappeared. I have strayed into the labyrinth in which the time stretched 500 years between the 15th century and the present and the space spread from Europe to Asia and America.
In the my quest journey for the traces of this medicinal plant which isn’t used now, the network formed during several hundreds years through which people questing for contrayerba and the fact that people exploited plants as commodities such as spices or medicine traded all over the glove are figured out. In those processes, we have missed aspects of the plants as organisms living beyond the dimension of the life of human beings. 
In the layered forms in the forest where I have reached at the end of the journey, our entangled interpretations around contrayerba were removed poison derived from categorization of the plant as its name indicates, and cast out in front of our eyes as an unnamable event created by the passage of geological time. This event is filled with echoes that remain after the words lose their meaning, voices without voices, which would not be heard without sharpening our senses.
The photobook is published by Seigensha Art Publishing Inc. Included is a text by author Anna Tsing, a professor of anthropology at the University of California, and co-director of the Aarhus University Research on the Anthropocene.
江戸末期の蘭方医学書にその記載を残す謎の薬草・昆答刺越兒發(コンタラエルハ)。その名前は、スペイン語の「コントライェルバ」に由来する。コントラは「(毒を)無効にする」、イェルバは「草」。つまり「コンタラエルハ」は「毒消草」だったのだ。江戸時代の蘭学書の、あるいは大航海時代の植物誌や医学書の中でコンタラエルハの痕跡を辿ると、同じ名前を持つ幾つもの植物が現れては消えていく。私が迷い込んだのは、15世紀から現代に至る500年におよぶ時間とヨーロッパ-アメリカ-アジアを結ぶ広大な空間にひろがる迷宮だった。
今は使われないこの薬草の痕跡を追う旅の中で、何百年にも渡って作られてきた毒消草を探し求める人々のネットワークの存在、香辛料や薬として世界中で取引される商品としての植物の資源化が浮き彫りになる。その過程で、人間の次元を超えて生きる生命体としての植物の姿は見失われてしまう。
旅の終わりに辿り着いた、コントライェルバが自生する森の、折り重なる形態の中で、コントライェルバの範疇を巡る絡れは文字通り解毒され、地質学的な時間が畳み込まれた、名状しがたい出来事として目の前に投げ出される。そこには感覚を研ぎ澄まさなければ聴きとることができない、言葉が無効になったのちに残る響、声ならぬ声が満ちている。
青幻舎より写真集を出版。同書には、カリフォルニア大学サンタクルーズ校の人類学教授・デンマーク・オーフス大学人新世研究(AURA)共同ディレクター、アナ・ツィンが、エッセイ「植物と共に夢見ること(Dreaming with plants)」を寄稿。

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