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FNA | Family List | FNA Vol. 2 | Polypodiaceae | Campyloneurum

3. Campyloneurum phyllitidis (Linnaeus) C. Presl, Tent. Pterid. 190, plate 7, figs. 18--20. 1836.

Long strap fern

Polypodium phyllitidis Linnaeus, Sp. Pl. 2: 1083. 1753

Stems short-creeping, 4--10 mm diam. Leaves few to many, erect to arching. Petiole essentially absent to ca. 9 cm. Blade yellowish green, linear to linear-elliptic, 24--140 × 3--12 cm, leathery; base attenuate; margins entire to slightly undulate; apex acute (sometimes forked). Veins obvious, primary veins ± prominent, straight to slightly curved, areoles in 7--16(--18) series between costa and margin, with free included veinlets, a percurrent veinlet often dividing some areoles further. Sori in several rows on each side of costa. 2 n = 148.

Epiphytic in hammocks and swamps; sometimes on walls in limestone sinkholes where it is reduced in size; substrate circumneutral to subacid; 0 m; Fla.; Mexico; West Indies; Central America; South America.


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