Plants of H. tosana Kagami River lineage A photo taken on 7 Jul. 2021 by Se. Fujii, not collected B JPN1307. Scale bars: 5 cm (A, B).

 
 
  Part of: Yahara T, Hirota SK, Fujii S, Kokami Y, Fuse K, Sato H, Tagane S, Suyama Y (2023) Molecular phylogeny and taxonomy of Hosta (Asparagaceae) on Shikoku Island, Japan, including five new species, one new subspecies, and two new status assignments. PhytoKeys 235: 137-187. https://doi.org/10.3897/phytokeys.235.99140