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 34. Convolvulus obscurus L. , Sp. Pl. ed. 2: 220. 1762 [cited in Nat. Hist. II(7): Aanwyz. Plaat. [2], 539, tab. 42, fig. 1. 1777]. = Ipomoea obscura (L.) Ker Gawl . in Bot. Reg.: tab. 239. 1817. Notes . – A specimen sent by Radermacher is mentioned by Houttuyn and is in G-PREL [G00818039]. There seems to be no corresponding specimen in UPS-THUNB.