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 81. Piper officinarum (Miq.) C. DC., Prodr. 16(1): 356. 1869 . = Piper retrofractum Vahl , Enum. Pl. 1: 314. 1804 . Notes . – Two specimens from Houttuyn’s Java herbarium are respectively in G-PREL [G00818068] and G-DC [G00206609]. Both specimens are annotated as “ Piper longum L.” by Houttuyn. A possible duplicate in L (L-908.165-114) is also marked “ Piper longum L. Cl. Houttuin dedit Jun 1784 ” (msc. D. van Royen ).