Comparison of the morphological characters amongst the species of Cirsium sect. Onotrophe in Taiwan. A C. tatakaense Y.H.Tseng & C.Y.Chang B C. kawakamii Hayata C C. arisanense Kitam.: 1 leaf 2 capitula 3 inner phyllary 3’ middle phyllary 3” outer phyllary 4 floret 4’ floret (pappus removed) 5 synantherous 6 style branches 7 achene 7’ achene with pappus.