Hippomaneae shoot tips showing stipule and ptyxis variation. A Homalanthus nutans (G. Forst.) Guill. with large, deciduous, sheathing stipules protecting shoot tip B Transverse view of H. nutans shoot tip, showing nested series of three developing leaves with scroll-like lamina (ptyxis involute), each surrounded by a pair of sheathing stipules C Transverse view of Excoecaria cochinchinensis Lour. young leaf showing slightly inrolled lamina (ptyxis conduplicate-involute) D E. cochinchinensis shoot tip with small persistent stipules. (Abbreviation: s = stipule. Source: Freehand sections of fresh tissues grown in Department of Botany greenhouses).

  Part of: Wurdack KJ, Farfan-Rios W (2017) Incadendron: a new genus of Euphorbiaceae tribe Hippomaneae from the sub-Andean cordilleras of Ecuador and Peru. PhytoKeys 85: 69-86. https://doi.org/10.3897/phytokeys.85.14757