The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva Author Wijnands, Dirk Onno Author Heniger, Johannes Author Veldkamp, Jan Frederik Author Fumeaux, Nicolas Author Callmander, Martin W. text Candollea 2017 2017-05-12 72 1 155 198 journal article 20627 10.15553/c2017v721a11 ae864518-b1d7-49da-85dc-905b1a4e6809 2235-3658 5721887 109. Truellum japonicum Houtt., Nat. Hist. II(8): Aanwyz. Plaat. [2], 427, fig. 48, tab. 1. 1777. Lectotypus (designated here by Wijnands): JAPAN : Thunberg s.n. ( G-PREL [ G00818086 ]!; isolecto-: UPS- THUNB n° 9714 image seen). = Polygonum senticosum (Meisn.) Franch. & Sav., Enum. Pl. Jap. 1: 401. 1875 . Notes . – The genus Truellum Houtt. is currently considered a synonym of Polygonum L. Original material of Truellum japonicum is present in the Japan herbarium in G-PREL. This collection is a good match for the plate and is designated here as the lectotype . A duplicate is present in UPS-THUNB.