Pteridophyta

Figure 1. Line drawings of Cirsiumtatakaense Y.H.Tseng & C.Y.Chang A habit B root C leaf D capitula E inner phyllary E’ middle phyllary E” outer phyllary F floret F’ floret (pappus removed) G synantherous H style branches I achene. Voucher: C. Y. Chang 1442 (TCF).

Figure 2. Cirsiumtatakaense Y.H.Tseng & C.Y.Chang A habitat B habit C seedling D variations of leaves E inflorescences F capitula G floret; (right-side pappus removed) H achene with pappus I achene.

Figure 4. Holotypes of the three species of Cirsiumsect.Onotrophe in Taiwan. AC.tatakaense Y.H.Tseng & C.Y.Chang, C. Y. Chang 1444 (TCF) BC.kawakamii Hayata, T. Kawakami & U. Mori 2279 (TI!) CC.arisanense Kitam., S. Kitamura s.n. (KYO!).

Figure 5. Comparison of the morphological characters amongst the species of Cirsiumsect.Onotrophe in Taiwan. AC.tatakaense Y.H.Tseng & C.Y.Chang BC.kawakamii Hayata CC.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.

Figure 6. Chromosome number of the two species of Cirsiumsubsect.Nipponocirsium Kitam. in Taiwan. A 2n = 64, C.tatakaense Y.H.Tseng & C.Y.Chang B 2n = 64, C.kawakamii Hayata. Scale bar: 5 μm.

Figure 7. Comparison of the pollen morphology of the three species of Cirsiumsect.Onotrophe in Taiwan. AC.tatakaense Y.H.Tseng & C.Y.Chang BC.kawakamii Hayata CC.arisanense Kitam.: 1 polar view 2 equatorial view 3 colporate view. Scale bar: 30 μm.

Figure 3. Distribution map of Cirsiumtatakaense Y.H.Tseng & C.Y.Chang (star); C.kawakamii Hayata (triangle); and C.arisanense Kitam. (circle) of Taiwan.