Polystichum luctuosum is a species of fern known by the common names Korean rock fern and Tsushima holly fern. It is a small, clump-forming, tufted, evergreen to semi-evergreen fern native to Japan, Korea, Taiwan, China, Vietnam, and Thailand, as well as southern Africa. The fern grows to about 1–1.5 feet in height, with a spread of 1–1.5 feet, with stipe up to 30 cm long, pale to mid-brown, with dark brown to almost black scales, and bi-pinnate, glossy, dark green fronds.
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Korean rock fern being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.
Easily confused with
- Polystichum wawranum
- Polystichum biaristatum
- Polystichum manmeiense
- Polystichum neolobatum
- Polystichum prionolepis
Classification
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Polypodiopsida
- Order
- Polypodiales
- Family
- Dryopteridaceae
- Genus
- Polystichum
- Species
- Polystichum luctuosum
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