Inunankakuran (English name) Tmesipteris

Japanese: イヌナンカクラン（英語表記）Tmesipteris

Its Japanese name was given to it because of its resemblance to the nankakuran of the Lycopodium family, but it is actually the genus name of a fern related to the pinecone fern, which does not grow naturally in Japan (illustration). Like the pinecone fern, it is worthy of admiration for its unusual form, but it requires hot and humid conditions and is difficult to cultivate. It grows on the trunks of tree staghorn fern. The plant body is divided into underground stems and aboveground stems, and the underground stems are short, wiry, and branch out. They have rhizoids on the surface, but no roots. The aboveground stems arise from the underground stems and sometimes branch out into two.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ヒカゲノカズラ科のナンカクランに外見が似ているところから和名がつけられたが，マツバランに近縁のシダ植物の属名で，日本には自生しない（イラスト）。マツバランと共に奇抜な形態は観賞に値するが，高温多湿の条件を要し，栽培はむずかしい。ヘゴの幹などに着生する。植物体は地下茎と地上茎に分かれ，地下茎は針金状で短くはい，枝分れをする。表面に仮根をつけるが，根はない。地上茎は地下茎から生じ，まれに二叉（にさ）に枝分れする。

出典　株式会社平凡社世界大百科事典第２版について　情報

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