- Scientific Name: Cyrtomium falcatum (L.f.) C.Presl
- Ref: Tent. Pterid. 86. 1836
- Synonyms: Aspidium falcatum (L.f.) Sw.; Cyrtomium acutidens Christ; C. yiangshanense Ching & Y.Z.Lan; Dryopteris falcata (L.f.) Kuntze; Phanerophlebia falcata (L.f.) Copel.; Polypodium falcatum L.f.; P. japonicum Hoult.; Polystichum falcatum (L.f.) Diels
- English Common Name: house holly-fern, Japanese holly fern
- Chinese Common Name: 全缘贯众 quányuán guànzhòng
- Japanese Common Name: オニヤブソテツ [鬼藪蘇鉄] oniyabusotetsu
- Family: Dryopteridaceae
- Genus: Cyrtomium
- Distribution: Coastal and lowland forests; sea level to 500 m. Fujian, Guangdong, Jiangsu, Liaoning, Shandong, Taiwan, Zhejiang [Indochina, Japan, Korea; Pacific islands (Polynesia); introduced and locally naturalized in Europe, Hawaii, North America, Réunion, South Africa].
- Photo: 09/2014, Is. Nanji, Zhejiang
Plants 30-40 cm tall. Rhizome erect, densely covered with lanceolate brown scales. Stipe stramineous, 15-27 cm, 3-4 mm in diam. at base, lower portion densely scaly; scales pale brown, sometimes blackish brown at middle, ovate, lower portion fimbriate. Lamina broadly lanceolate, 22-35 × 12-15 cm, base contracted, 1-imparipinnate, apex acute; rachis with lanceolate brown dentate scales or glabrous. Lateral pinnae 5-14 pairs, alternate, spreading or ascendant, shortly stalked, lanceolate or ovate-lanceolate, often curved acroscopically; middle pinnae 6-10 × 2.5-3 cm, base obliquely rounded-cuneate, margins entire or repand, sometimes dentate, apex long acuminate or caudate; terminal pinna ovate-lanceolate, forked or trifurcate, 4.5-8 × 2-4 cm; leathery, glabrous on both surfaces; venation pinnate, slightly raised abaxially, indistinct adaxially, veinlets anastomosing to form 3 or 4 rows of areoles. Sori throughout abaxial surface of pinnae; indusia margins slightly incised. 2n = 82. (Flora of China)
09/2014, Is. Nanji, Zhejiang