Difference between revisions of "Acrostichum aureum"

Linnaeus

Sp. Pl. 2: 1069. 1753.

Treatment appears in FNA Volume 2.
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|genus=Acrostichum
 
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|species=Acrostichum aureum

Revision as of 20:50, 16 December 2019

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.