Polystichum luctuosum explained

Polystichum luctuosum is a species of fern known by the common names Korean rock fern^[1] 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.

Synonyms

• Aspidium aculeatum var. pallescens Franch.
• Aspidium luctuosum Kunze
• Aspidium tsus-simense Hook.
• Polystichum falcilobum Ching
• Polystichum tsus-simense (Hook.) J. Sm.
• Polystichum tsus-simense var. pallescens Franch.

References

• Index Fil. 95 1858.
• The Plant List entry
• JSTOR entry
• Missouri Botanical Garden entry
• Flora of Zimbabwe entry

Notes and References

1. Book: English Names for Korean Native Plants. Korea National Arboretum. 2015. 978-89-97450-98-5. Pocheon. 585. 16 December 2016. Korea Forest Service. dead. https://web.archive.org/web/20170525105020/http://www.forest.go.kr/kna/special/download/English_Names_for_Korean_Native_Plants.pdf. 25 May 2017.