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3. | 葉基部楔形............................................................................8.姬茀蕨 | |
4. | 葉寬約1cm..........................................................................................5 | |
4. | 葉寬約2.5~3.5cm...............................................................2.恩氏茀蕨 | |
5. | 葉遠軸面白、粉綠色....................................................4.岡本氏茀蕨 | |
5. | 葉遠軸面綠色....................................................................7.臺灣茀蕨 | |
6. | 側羽片6~11對,根莖鱗片全緣................................1.大葉玉山茀蕨 | |
6. | 側羽片2~5對,根莖鱗片具緣毛.......................................................7 | |
7. | 羽片缺刻明顯,基羽片反折............................................5.玉山茀蕨 | |
7. | 羽片缺刻不顯,基羽片不反折........................................6.掌葉茀蕨 | |
1. | Selliguea echinosporus (Tagawa) 大葉玉山茀蕨(彩圖179) (針筆圖) | |
Crypsinus echinosporus (Tagawa) Tagawa | ||
柄長7~15 cm,比葉身短,葉一回深裂,6~11對側羽片,頂端漸 尖,最下羽片反折。羽片相近,多少重疊。 | ||
2. | Selliguea engleri (Luerss.) 恩氏茀蕨 | |
Crypsinus engleri (Luerss.) Copel. | ||
3. | Selliguea hastatus (Thunb.) 三葉茀蕨(彩圖178) | |
Crypsinus hastatus (Thunb.) Copel. | ||
4. | Selliguea okamotoi (Tagawa) 岡本氏茀蕨 | |
Crypsinus okamotoi (Tagawa) Tagawa | ||
5. | Selliguea quasidivaricatys (Hayata) 玉山茀蕨(彩圖180) | |
Crypsinus quasidivaricatys (Hayata) Copel. | ||
6. | Selliguea palmatus (Blume) 掌葉茀蕨(彩圖181) | |
Crypsinus taeniatus (Sw.) Copel. var. palmatus (Blume) Tagawa | ||
7. | Selliguea taiwanensis (Tagawa) 臺灣茀蕨(彩圖177) | |
Crypsinus taiwanensis (Tagawa) Tagawa | ||
8. | Selliguea yakushimensis (Makino) 姬茀蕨 | |
Crypsinus yakushimensis (Makino) Tagawa | ||
3. Lepisorieae 瓦葦族 | ||
1. | 葉長線形.......................................................................2.二條線蕨屬 | |
1. | 葉卵圓形、披針形或長披針形,不為長線形................................2 | |
2. | 孢子囊群集生於羽片頂端狹長的部份...........................1.尖嘴蕨屬 | |
2. | 孢子囊群在葉遠軸面,中肋兩側....................................................3 | |
3. | 葉兩型,孢子葉長線形,營養葉卵圓形.........3.伏石蕨(伏石蕨屬) | |
3. | 同型葉................................................................................................4 |