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

1. Taenitis blechnoides (Willdenow) Swartz, Syn. Fil. 24, 220. 1806.

竹叶蕨 zhu ye jue

Pteris blechnoides Willdenow, Phytographia, 13. 1794; Taenitis pteroides Willdenow ex Schkuhr, nom. illeg. superfl.

Rhizome long creeping, 1-2 mm in diam., with bristles at apex; bristles dark brown, stiff, 2-3 mm. Fronds distant, 2-4 cm apart; stipe castaneous at base, straw-colored or brown distally, 40-70 cm, adaxially grooved, glabrous; lamina 1-pinnate, slightly dimorphic, 20-40 × 20-30 cm, with 3-8 pairs of lateral pinnae, papery to leathery, glabrous; sterile pinnae 15-25 × 2.5-4 cm, lanceolate or linear-lanceolate, shortly stalked, base narrowly cuneate, margin entire, apex acuminate; costae abaxially distinctly raised, adaxially flat or slightly sunken; fertile pinnae narrower, 13-25 × 1.2-3 cm. Veins fully reticulate without included veinlets. Sori linear and forming a narrow longitudinal band between midrib and margin, rarely interrupted, 1-1.5 mm wide.

Terrestrial in forests; 400-1000 m. Hainan [Cambodia, India, Indonesia, Laos, Malaysia, Sri Lanka, Thailand, Vietnam; Pacific islands].


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