EcoFlora - Acrostichum aureum

Acrostichum aureum L. (redirected from: Chrysodium vulgare Fée)
Family: Pteridaceae Golden Leather Fern [Acrostichum guineense Gand., more]	FNA Resources Robert M. Lloyd in Flora of North America (vol. 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. 2 n = 60. Sporulating all year. Coastal mangrove swamps, salt marshes, low hammocks, along lake and canal margins; 0--50 m; Fla.; worldwide in tropical and subtropical regions.
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