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58 86199 Arisaema ringens (Thunb.) Schott [80 94396 Arum ringens Thunb.]
H.G.A. Engler, Pflanzenr., vol. 23(F): [Heft 73], (Araceae - Aroideae, Pistioidae, Stylochiton): p. 210, fig. 50 (1920) [J. Pohl]
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