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Arachniodes standishii

(T.Moore) Ohwi

Upside Down Fern

Dryopteridaceae

Arachniodes standishii is a species of fern in the family Dryopteridaceae. It is native to Japan and South Korea, and may be grown as an ornamental.

Description

Arachniodes standishii is evergreen. Rhizomes are short, creeping, and thick. Leaves are papery, pale green, and can be at least 1 m long. The stipe is densely covered with linear to lanceolate scales. Blades are ovate, tripinnate to quadripinnate, 40 to 70 cm long. The upper and lower sides look rather similar, except for the sori. Sori are borne near the base of the lobes, closer to the midrib, and indusia are relatively large and circular (Murata and Yashiro 2006).

Uses

Note: Please see the disclaimer regarding any information about medical or edible uses.

The feathery fronds of Arachniodes standishii are attractive and the plant can be used as an ornamental. It grows in USDA zones 5 to 9 (Steffen and Olsen 2015).

Distribution

Arachniodes standishii grows at the bottom of forests, especially forests with dominant Cryptomeria japonica (Murata & Yashiro 2006). It is native to Japan, from Hokkaido to Kyushu (Murata & Yashiro 76), as well as Jeju Island, South Korea (Hassler and Schmitt 2019).

Status

References

Hassler, M., and Schmitt, B. 2019. Checklist of Ferns and Lycophytes of the World. [accessed 2019 Jun 7]. https://worldplants.webarchiv.kit.edu/ferns/

Murata, T., and Yashiro, K. 2006. Shida Shokubutsu. Tokyo: Zenkoku Nōson Kyōiku Kyōkai.

Steffen, R., and Olsen, S. 2015. The Plant Lover's Guide to Ferns. Portland: Timber Press.

Description

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