Summary
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Acrostichum aureum, the golden leather fern, is a large species of fern that grows in mangrove swamps and other wet locations. Other common names include swamp fern and mangrove fern.
Description
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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.
Fontes e Créditos
- (c) Dinesh Valke, alguns direitos reservados (CC BY-SA),
https://www.flickr.com/photos/dinesh_valke/5506832086/
- (c) Ria Tan, alguns direitos reservados (CC BY-NC-SA),
https://www.flickr.com/photos/wildsingapore/3687597634/
- (c) Jenny Evans, alguns direitos reservados (CC BY-NC),
https://www.flickr.com/photos/jevanssccf/5297221573/
- (c) Ricky Taylor, alguns direitos reservados (CC BY-NC), uploaded by Ricky Taylor
- (c) 10000hrs, alguns direitos reservados (CC BY-NC-SA),
https://www.flickr.com/photos/chenmeiju/2578012194/
- (c) Royal Botanic Garden Edinburgh, alguns direitos reservados (CC BY-NC),
http://data.rbge.org.uk/images/419484/700
- (c) Wikipedia, alguns direitos reservados (CC BY-SA),
http://en.wikipedia.org/wiki/Acrostichum_aureum
- (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, alguns direitos reservados (CC BY-NC-SA),
http://eol.org/data_objects/4927999
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