Spathacanthus parviflorus Leonard. Image and legend modified from Gibson (1974) Flora of Guatemala 24, part X, page 446. A Habit, × ½ B flower with bracts and bracteoles, × 1 ½ C corolla opened, with pistil removed, to show didynamous stamens, × 1 ½ D opened calyx, × 1 ½ E capsules with calyces, one opened to show retinacula and seeds, × 1.

 
 
  Part of: Burgos-Hernández M, Castillo-Campos G (2020) Taxonomic revision of the Mesoamerican genus Spathacanthus (Justicieae, Acanthoideae, Acanthaceae). PhytoKeys 144: 31-55. https://doi.org/10.3897/phytokeys.144.46929