Trifid holly fern
Polystichum tripteron (Kunze) C. Presl
[Dryopteridaceae]
Juumonjishida (ジュウモンジシダ, 十文字羊歯)
Lifeform: deciduous fern in Hokkaido (evergreen in warmer regions)
Distribution: eastern northeastern China - Siberia - Korea - Japan
Habitat: mesic forest floor
Etymology
tri (three) + pteron (wing)
Varieties (usually not applied)
f. simplicissimum (Tagawa) Tagawa (ヒトツバジュウモンジシダ)
f. subbipinnatum H. Ito (オオシュモクシダ)
Synonyms
Aspidium tripteron Kunze
Dryoteris triptera (Kunze) O. Kuntze
Ptilopteris triptera (Kunze) Hayata
Polystichum Roth in Japan
P. craspedosorum (Maxim.) Diels var. dissectum Makino (キクバツルデンダ)
P. eximium (Mett. ex Kuhn) C. Chr. (コモチイノデ)
P. fibrillosopaleaceum (Kodama) Tagawa (アスカイノデ)
P. formosanum Rosenst. (オオミミガタシダ)
P. inaense (Tagawa) Tagawa (イナデンダ)
P. kiusiuense Tagawa (キュウシュウイノデ)
P. lepidocaulon (Hook.) J. Sm. (オリヅルシダ)
- var. appendiculatum Nakai (キヨズミオリヅルシダ)
P. longifrons Kurata (アイアスカイノデ)
P. makinoi (Tagawa) Tagawa (カタイノデ)
P. microchlamys (Christ) Matsum. (カラクサイノデ)
- var. azumiense Serizawa (アズミイノデ)
P. obai Tagawa (アマミデンダ)
P. ovatopaleaceum (Kodama) Kurata var. coraiense (Christ) Kurata (イワシロイノデ)
P. piceopaleaceum Tagawa (サクラジマイノデ)
P. polyblepharum (Roem. ex Kunze) Presl (イノデ)
- var. scabiosum Kurata (カズサイノデ)
P. pseudomakinoi Tagawa (サイゴクイノデ)
P. retrosopaleaceum (Kodama) Tagawa (サカゲイノデ)
P. rigens Tagawa (オニイノデ)
P. shimurae Kurata ex Serizawa (シムライノデ)
P. tagawanum Kurata (イノデモドキ)
P. tripteron (Kunze) Presl (ジュウモンジシダ)
P. tsussimense (Hook.) J. Sm. (キヨズミシダ)
- var. mayebarae (Tagawa) Kurata (オオキヨズミシダ)
(Putative) hybrids
P. braunii (Spenn.) Fee × P. retrosopaleaceum (Kodama) Tagawa (オクキヌイノデ)
P. ohmurae Sa. Kurata × P. ovatopaleaceum (Kodama) Sa. Kurata (イカワイノデ)
P. ovatopaleaceum (Kodama) Sa .Kurata var. coraiense (H.Christ ex H.Lev.) Sa. Kurata × P. retrosopaleaceum (Kodama) Tagawa (サカゲイワシロイノデ)
P. × amboversum Sa.Kurata (アイツヤナシイノデ)
P. × fujisanense Seriz. (アイホソイノデ)
P. × gosakui Kurata (ゴサクイノデ)
P. × iidanum Sa. Kurata (アイカタイノデ)
P. × izuense Kurata (カタイノデモドキ)
P. × jitaroi Kurata (ジタロウイノデ)
P. × kaimontamum Serizawa (オオトヨグチイノデ)
P. × kasayamense Kurata (カサヤマイノデ)
P. × kiyozumianum Kurata (キヨズミイノデ)
P. × kunioi Kurata (カタホソイノデ)
P. × kuratae Serizawa (スオウイノデ)
P. × kurokawae Tagawa (アカメイノデ)
P. × mashikoi Kurata (アマギイノデ)
P. × microlepis Kurata (サカゲカタイノデ)
P. × minamitanii Kurata ex Serizawa (カタナンピイノデ)
P. × ohtanii Kurata (オオタニイノデ)
P. × ongataense (Kurata) Kurata (オンガタイノデ)
P. × sarukurense Serizawa (アズミホソイノデ)
P. × shintashiroi Kurata (シロウマイノデ)
P. × suginoki Kurata (オオイノデモドキ)
P. × yuyamae Kurata (ゴテンバイノデ)
Polystichum tripteron in Hokkaido
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2
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4
[1] At Toyoha Mine, Jozankei, southern part of the city of Sapporo, on June 14 1988. [2] a foliage. [3] a leaf. [4] the base of a leaf. [2-4] Around the Snjaku Course of Teine Skilope on August 17 2011.
References
- General education: Field trip: Nature on lakes, volcanoes, sea and forests (フィールド体験研修 海と湖と火山と森林の自然)