Physostigma venenosum (English spelling) Physostigma venenosum

Japanese: Physostigma venenosum（英語表記）Physostigmavenenosum

…There are many types of poisons used, but there are clear differences depending on the region. In South America, curare is used, and in Southeast Asia, ipo (also called hippo or upas), the milky sap of Antiaris toxicaria , a member of the mulberry family, is used. In Africa, plants from the Apocynaceae family are the main ones, and tangin (also called cerbera tangin) obtained from the seeds of Tanghinia venenifera , ouabain obtained from the seeds of Strophanthus gratus and the bark and trunks of Acocanthera schimperi , cerbera obtained from the seeds of Strophanthus hispidus , and calabar beans, which are seeds of Physostigma venenosum , a member of the legume family closely related to wisteria, are used. In East Asia, the main ones are uzu and bushi, which are obtained from the roots of monkshood, and the Ainu also used them. …

From Physostigmine

…It is also called eserin. It is an alkaloid contained in the seeds of the legume Physostigma venenosum , which grows in the Calabar River basin in Guinea, West Africa. The natives call these seeds eserine beans, and white people call them calabar beans. …

*Some of the terminology that mentions "Physostigma venenosum" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…用いられる毒物の種類は多いが，地域によって明確な違いがあり，南アメリカではクラーレ，東南アジアではクワ科のAntiaris toxicariaの乳状の樹液イポー(ヒポー，ウパスとも呼ぶ)が用いられる。アフリカではキョウチクトウ科の植物が中心であり，Tanghinia veneniferaの種子から採るタンギン(ケルベラ･タンギンともいう)，Strophanthus gratusの種子やAcocanthera schimperiなどの樹皮･樹幹から採るウワバイン，Strophanthus hispidusの種子から採るケルベラ，マメ科でフジに近縁のPhysostigma venenosumの種子であるカラバル豆などが用いられる。東アジアではトリカブトの根から採る烏頭（うず），附子（ぶし）が主役で，アイヌもこれを用いた。…