Figure 2 from: Maas P, Westra L (2012) Tetrameranthus (Annonaceae) revisited including a new species. PhytoKeys 12: 1-21. https://doi.org/10.3897/phytokeys.12.2771

Figure 2 - Tetrameranthus duckei R. E. Fr. A Two-flowered inflorescence B Flowers at early anthesis C Flower at late anthesis, liberation of pollen (Webber, 1981) D Fruit. Tetrameranthus laomae D.R.Simpson E Ripe fruit, also sectioned to show seeds. Note articulation at base of fruiting stalk. Tetrameranthus umbellatus Westra F Flowers G Young inflorescence, detail of herbarium specimen (Morawetz & Wallnöfer 14-81085, U). A, E–F Photos by W. Morawetz, B–D Photos by A. C. Webber.