Campyloneurum angustifolium

(Swartz) Fée

5: 257. 1852.

Common names: Narrow strap fern
Basionym: Polypodium angustifolium Swartz Prodr., 130. 1788
Treatment appears in FNA Volume 2.

Stems short-creeping, 3–7 mm diam. Leaves usually many, arching to pendent. Petiole essentially absent to ca. 3–5 (–8) cm. Blade yellowish to dark green, elongate-linear, ± falcate, 30–60 × 0.5–1.5 cm, papery; base and apex long-attenuate; margins often slightly revolute. Veins obscure, primary-veins inconspicuous, slightly to strongly curved, areoles in 1–4 series between costa and margin, with free included veinlets. Sori in 1–2 rows on each side of costa.


Habitat: Epiphytic on oaks, pond apples, magnolias, and other rough-barked trees in hammocks and swamps in the everglade keys, substrate subacid
Elevation: 0 m

Distribution

V2 738-distribution-map.gif

Fla., Mexico, West Indies, Central America, South America

Discussion

In the flora Campyloneurum angustifolium occurs only in Collier County, Florida. It was reported earlier from Dade and Seminole counties.

Selected References

None.

Lower Taxa

None.
Clifton E. Nauman +
(Swartz) Fée +
long-attenuate +
Polypodium angustifolium +
yellowish +  and dark green +
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
falcate +
0.5cm;1.5cm +
Narrow strap fern +
Fla. +, Mexico +, West Indies +, Central America +  and South America +
elliptic +  and cordate +
Epiphytic on oaks, pond apples, magnolias, and other rough-barked trees in hammocks and swamps in the everglade keys, substrate subacid +
monomorphic +
narrowed +
0 cm0 mm <br />0 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Tent. Pterid. +
not adaxially +  and grooved +
1 (?) +  and 2 (?) +
clathrate;clathrate +
basifixed +
discrete +
yellowish +  and transparent +
pruinose +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
few;numerous +
verrucose +  and tuberculate +
Campyloneurum angustifolium +
Campyloneurum +
species +
anastomosing +
pendent +, arching +  and erect +