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(First upload on October 30 2003. Last on Janurary 16 2019) [ 日本語 | English ]

Pteris multifida Poiret






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

Pteris L. (イノモトソウ)


Japan
P. angustipinna Tagawa (ホソバイノモトソウ)
P. bella Tagawa (ナガエハチジョウシダ)
P. biaurita L. (ホソバハチジョウシダ)
P. boninensis H. Ohba (オガサワラハチジョウシダ)
P. cadieri H. Christ (カワリバアマクサシダ)
P. cretica L. (オオバノイノモトソウ)
P. dactylina Hook. (テガタワラビ)
P. deltodon Baker (クマガワイノモトソウ)
P. dispar Kunze (アマクサシダ)
P. ensiformis Burm. f. (ホコシダ)
P. excelsa Gaudich.

var. excelsa (オオバノハチジョウシダ)
var. inaequalis (Baker) S. H. Wu (オオバノアマクサシダ)

P. fauriei Hieron. (ハチジョウシダ)
P. formosana Baker (タイワンアマクサシダ)
P. grevilleana Wall. ex J. Agardh (アシガタシダ)
P. kawabatae Sa. Kurata (カワバタハチジョウシダ)
P. kidoi Sa. Kurata (キドイノモトソウ)
P. kiuschiuensis Hieron. (ニシノコハチジョウシダ)
P. laurisilvicola Sa. Kurata (アイコハチジョウシダ)
P. linearis Poir. (イヌハチジョウシダ)
P. longipes D. Don (ホウライワラビ)
P. longipinna Hayata (ナガバイノモトソウ)
P. multifida Poir. (イノモトソウ)
P. nakasimae Tagawa (ヒノタニシダ)
P. natiensis Tagawa (ヤワラハチジョウシダ)
P. nipponica W. C. Shieh (マツザカシダ)
P. oshimensis Hieron. (ハチジョウシダモドキ)
P. pellucidifolia Hayata (アリサンイノモトソウ)
P. purpureorachis Copel. (ヒカゲアマクサシダ)
P. ryukyuensis Tagawa (リュウキュウイノモトソウ)
P. satsumana Sa. Kurata (サツマハチジョウシダ)
P. scabristipes Tagawa (チシオハチジョウシダ)
P. semipinnata L. (オオアマクサシダ)
P. setulosocostulata Hayata (トゲハチジョウシダ)
P. tripartita Sw. (ヘリドリワラビ)
P. venusta Kunze (タカサゴイノモトソウ)
P. vittata L. (モエジマシダ)
P. wallichiana J. Agardh (ナチシダ)
P. yakuinsularis Sa. Kurata (ヤクシマハチジョウシダ)
P. yamatensis (Tagawa) Tagawa (ヒメイノモトソウ)
Hybrids
P. multifida Poir. × P. nipponica W. C. Hsieh (ヌマズイノモトソウ)
P. × austrohigoensis Sa. Kurata (ナンピイノモトソウ)
P. × calcarea Sa. Kurata (イツキイノモトソウ)
P. × matsumotoi Sa. Kurata (カシワギイノモトソウ)
P. × namegatae Sa. Kurata (イブスキイノモトソウ)
P. × otomasui Sa. Kurata (オトマスイノモトソウ)
P. × sefuricola Sa. Kurata (セフリイノモトソウ)
Philippines
P. mutilata Burm.

Pteris multifida in Honshu


Inomotosou (イノモトソウ, 井ノ元草), spider brake
Lifeform: evergreen perennial fern → Number of veins
Distribution: East Asia, incluidng Japan (except Hokkaido)
Habitat: rock wall, roadsides, etc.
Leaf: dimorphic, i.e., vegetative and reprodcutive leaves
Stalk: producing wings
Synonyms

Pycnodoria multifida (Poiret) Small

索引

ST1 ST2 ST3
ST4 ST5 ST6
[1] on a rock wall near Tokai Natural Trail clsoe to Nagara Park and Nagara Shrine, Otsu City, eastern Japan, on March 19 2012. Most of these leaves are for vegetaive reproduction. [2] at Inokashira Park, Mitaka, Tokyo, on January 15 2015. [3] at the imperial gardens in the former lawn (Shiba) detached palace, Tokyo, on May 29 2015. [4/5] in the Koishikawa-Korakuen Gardens (小石川後楽園), Tokyo, on November 18 2016. [6] on a rock wall between Okachimachi and Ichigaya, Tokyo, on January 8 2019.

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