Acrostichum aureum

Linnaeus

Sp. Pl. 2: 1069. 1753.

Treatment appears in FNA Volume 2.

Stems creeping or ascending, frequently branched. Leaves ± arching, 1–3 m × 12–50 cm. Rachis rounded abaxially, decidedly grooved adaxially. Pinnae 24–30 (–40), usually not overlapping, 10–34 × 1.3–7 cm; proximal pinnae always distant, frequently rounded at tip; costal areoles 3 or more times longer than wide; distal 6–12 pinnae of fertile leaves bearing sporangia. Sporangia spread over abaxial surface of distal pinnae in fertile leaves; paraphyses stalked, ending with single isodiametric, irregularly lobed cell. Spores (37–) 57 (–72) µm diam., surface minutely tuberculate. 2n = 60.


Phenology: Sporulating all year.
Habitat: Coastal mangrove swamps, salt marshes, low hammocks, along lake and canal margins
Elevation: 0–50 m

Distribution

V2 41-distribution-map.gif

Fla., worldwide in tropical and subtropical regions

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Acrostichum aureum"
Robert M. Lloyd +
Linnaeus +
cuneate +
glabrous +  and hispid +
lanceolate +
Fla. +  and worldwide in tropical and subtropical regions +
0–50 m +
yellow +  and white +
obcordate;reniform +
Coastal mangrove swamps, salt marshes, low hammocks, along lake and canal margins +
monomorphic +
recurved +  and reflexed +
noncircinate +  and circinate +
100 cm1,000 mm <br />1 m <br /> (500 cm5,000 mm <br />5 m <br />) +
12 cm120 mm <br />0.12 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Sporulating all year. +
10 cm100 mm <br />0.1 m <br /> (34 cm340 mm <br />0.34 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (7 cm70 mm <br />0.07 m <br />) +
concolored;dark-brown +
persistent +
linear-lanceolate +
tetrahedral +
ascending +  and creeping +
tuberculate +
Acrostichum aureum +
Acrostichum +
species +
1 +  and several +
crescent--shaped +  and roundish +
anastomosing +
conspicuous +