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FOC | Family List | FOC Vol. 2-3 | Pteridaceae | Haplopteris

6. Haplopteris plurisulcata (Ching) X. C. Zhang, Ann. Bot. Fenn. 40: 461. 2003.

曲鳞书带蕨 qu lin shu dai jue

Vittaria plurisulcata Ching, Sinensia 1: 186. 1931.

Rhizome shortly creeping; scales light brown, lanceolate, 5-8 mm, ca. 1 mm wide at base, areole wall thin, soft, twisted, margin entire, apex bristlelike. Fronds clustered; stipe short; lamina herbaceous, lanceolate, 30-40 × 0.5-0.8 cm, gradually narrowed to both ends, margin slightly revolute; costa invisible adaxially, slightly raised abaxially, slender. Soral line immersed in groove, close to revolute margin, ca. 2 mm from costa, lower 1/3 not fertile; paraphyses long, with head obconic, ca. 2 × as long as wide. Spores monolete, elliptic in outline, surface ornamentation obscure.

Epiphytic or epilithic; 1800-2900 m. W Sichuan, ?C Taiwan, Xizang, C Yunnan [N Vietnam].

Reviewer Ralf Knapp suspects that the record from Taiwan is based on a misidentification of Haplopteris flexuosa (or possibly H. taeniophylla).


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