Comparison of the pollen morphology of the three 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 polar view 2 equatorial view 3 colporate view. Scale bar: 30 μm.
Part of: Chang C-Y, Tzeng H-Y, Tseng Y-H (2019) Cirsium tatakaense (Compositae), a new species from Taiwan. PhytoKeys 117: 119-132. https://doi.org/10.3897/phytokeys.117.29380