Plagiorhegma dubium Maxim., J. Linn. Soc., Bot. 17(102): 377 1879. (syn: Jeffersonia dubia (Maxim.) Benth. & Hook.f. ex Baker & Moore; Jeffersonia manchuriensis Hance);
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Russian Far East to Korea: Khabarovsk, Korea, Manchuria, Primorye as per POWO;
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SK 3430 26 April 2022: 5 very high res. images.

Location: Eden Project, Cornwall, UK
Altitude: 60m.
Date: 03 April 2022
Habit : Cultivated

Jeffersonia dubia.
My pics below…
https://www.flickr.com/search/?user_id=11713966%40N02&sort=date-taken-desc&text=jeffersonia%20dubia&view_all=1


 

 


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References:
POWO  Catalogue of Life  The Plant List Ver.1.1  Tropicos  IPNI  Flickr