Comparison of the morphological characters of Cirsium Mill. subsect. Australicirsium Kitam. A C. arisanense Kitam B C. hosokawae Kitam C C. taiwanense Y.H.Tseng & Chih Y.Chang 1 cauline leaf, adaxial view 1' cauline leaf, abaxial view 2 capitulum 3 inner phyllary 3' middle phyllary 3" outer phyllary 4 floret 4' floret (pappus removed) 5 synantherous stamens 6 style branches 7 achene 7' achene with pappus.

 
 
  Part of: Chang C-Y, Tzeng H-Y, Tseng Y-H (2021) Cirsium taiwanense (Compositae, Cirsium sect. Onotrophe, subsect. Australicirsium), a new species from Taiwan. PhytoKeys 183: 35-53. https://doi.org/10.3897/phytokeys.183.70119