刺尖鳞毛蕨 ci jian lin mao jue

Lastrea filix-mas (Linnaeus) C. Presl var. serratodentata Beddome, Suppl. Ferns Brit. Ind. 55. 1892 ["serrato-dentata"], based on L. odontoloma Beddome, Ferns S. India, 39, t. 114. 1863, not T. Moore (1858); Dryopteris filix-mas (Linnaeus) Schott subsp. serratodentata (Beddome) C. Christensen; D. filix-mas var. serratodentata (Beddome) Hayata; D. serratodentata (Beddome) Hayata; Nephrodium serratodentatum (Beddome) C. Hope; Woodsia veitchii Christ.

Plants 18-40 cm tall. Rhizome erect, short, scaly; scales brown or dark brown, ovate-lanceolate, serrate. Fronds caespitose; stipe 5-8 cm, basal scales similar to those of rhizome, distal ones sparse; lamina oblong-lanceolate, 14-32 cm, 5-12 cm wide at middle, bipinnate-pinnatifid, slightly narrowed downward, apex acuminate; pinnae 10-18 pairs, remote, oblong-lanceolate, sessile or shortly stalked, apex obtuse; segments 6-10 pairs, nearly spreading, oblong, apex rounded, doubly serrate. Lamina papery; veins pinnate, inconspicuous adaxially, raised abaxially; rachis and costae clothed with ovate-lanceolate, black or dark brown scales. Sori on lower half of pinnae, between costa and margin; indusia thin, lacerate.

Abies forests, also in exposed rock crevices; 3100-3800 m. W Sichuan, Taiwan, SE Xizang, NW Yunnan [Bhutan, N India, Kashmir, Myanmar, Nepal, Pakistan].