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(First upload on January 9 2009. Last on October 30 2017) [ 日本語 | English ]

Polystichum tripteron (Kunze) C. Presl






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Polystichum Roth (イノデ) in Japan


P. braunii (Spenn.) Fée (ホソイノデ)
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)
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)

clump-formed rhizomes, dense scales (in particular, on petioles)
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. polyblepharon (Roem. ex Kunze) C. Presl (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 Japan


Juumonjishida (ジュウモンジシダ, 十文字羊歯), trifid hollyfern
Lifeform: deciduous fern in Hokkaido (evergreen in warmer regions)
Distribution: eastern northeastern China - Siberia - Korea - Japan
Habitat: mesic forest floor

→ 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)

Synonyms:

Aspidium tripteron Kunze
Dryoteris triptera (Kunze) O. Kuntze
Ptilopteris triptera (Kunze) Hayata

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)
索引

ST1 ST2 ST3
ST4 ST5 ST6
[1] at a 6th trail near the Biwa Falls on Mount Takao (599 m elevation), Tokyo, on October 21 2013. [2-4] around the Senjaku Course of Teine Skilope on August 17 2011. [5/6] near a transplanted forest of Fraxinus mandshurica in the Experimental Forest of the University of Tokyo, Furano, central Hokkaido, on June 28 2017.
Discarded: at Toyoha Mine, Jozankei, southern part of the city of Sapporo, on June 14 1988.

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