Characters;"C. tatakaense";"C. kawakamii";"C. arisanense" "Leaf size (cm)";"27.2−34.8 cm × 16.4−19.4 cm";"27.5−30.6 cm × 17.8−20.2 cm";"10.6−21.3 cm × 3.0−6.3 cm" "Leaf shape";"Elliptic to broadly elliptic";"Elliptic to broadly elliptic";"Narrowly elliptic to deltoid" "Leaf margin";"Mainly pinnatisect";"Pinnatisect or bipinnatisect";"Pinnatipartite or bipinnatipartite" "Leaf lobes Size";"6.4−7.5 cm × 7.3−11.9 mm";"8.3−10.4 cm × 17.2−18.6 mm";"0.7−2.9 cm × 6.6−16.0 mm" "Pair of leaflobes";4−6;6−7;6−10 "Mature Capitula";Nodding;Nodding;"Erect or nodding" "Involucre shape";"Bowl-shaped (upper width ≥ base)";"Bowl-shaped (upper width ≥ base)";"Pot-shaped (upper width< base)" "Corolla colour";Purplish-red;White;Yellow "Floret number";(136)161−308;(61)115−222;87−133 "Phyllary number";111−199;79−123;93−114 "Beak of achene";Tube-like;Tube-like;Corona-like "Pollen size (P/E)";"34.2−42.6μm/ 35.2−44.7 μm";"31.7−34.5 μm/ 34.3−37.1 μm";"41.7−51.0 μm/ 44.7−49.3 μm" "Pollen spine base width";"4.2−5.6 μm";"2.0−2.3 μm";"2.8−4.8 μm" "Chromosome number";"2n = 64";"2n = 64";"2n = 34 (Peng and Hsu 1978)" Distribution;"Endemic to Taiwan; open areas of fog forests at 2000−3000 m alt. central-southern Taiwan (Fig. 3)";"Endemic to Taiwan; gullies and valleys at 1500−3500 m alt. central-northern Taiwan (Fig. 3)";"Endemic to Taiwan; widely distributed in open areas of mountain area at 1500−3800 m alt. (Fig. 3)"