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(First upload on August 19 2015. Last on April 9 2019) [ 日本語 | English ]

Lygodium japonicum (Thunb.) Sw.






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

Lygodium Sw. (カニクサ)
Kanikusa (カニクサ, 蟹草), Japanese climbing fern
Tsurushinobu (ツルシノブ, 蔓忍)
Lifeform: climbing, perennial fern (evergreen in southern regions → deciduous in norhtern regions)
Distribution: eastern and southeastern Asia (south to Kanto District) and Oceania

immigrated to the North America

Habitat: weedy behavior establishing in sunny sites, such as roadsides
Chromosomal number: 2n = 58
var. microstachyum (Desv.) C. Chr. et Tardieu (ナガバカニクサ), Ryuku
Synonyms:

Lygodium microstachyum Desv.
Lygodium microstachyum Desv. var. glabrescens Nakai
Lygodium japonicum (Thunb.) Sw. f. elongatum Alderw.

索引

Lygodium japonicum in Japan


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[1/2] at the imperial gardens in the former lawn (Shiba) detached palace, Tokyo, on May 29 2015. [3] in the Shimizudani Park, close to Sophia University, on November 24 2017. [4] on a rock sidewall in Nagasaki Park (formerly Suwa Park), northwestern Kyushu, on April 16 2017. [5/6] ] sexual vs vegetaive leaves, close to Toshiba Building near JR Hamamatsu Station in Tokyo on June 15 2018. [7] in the South Park of Kobe Port Island, western Japan, on March 15 2019.

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