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IBSC | Family List | Pteridophyta | Acrostichaceae

Acrostichum Linn.


Description from Flora of China

Chrysodium Fée.

Plants terrestrial or in coastal swamps. Rhizome stout, creeping or erect, dictyostelic with additional strands; scales dark brown to black, large, broadly lanceolate, entire. Fronds clustered or approximate; stipe stout, glabrous; lamina 1-pinnate with distinct terminal pinna; pinnae stalked, tongue-shaped to narrowly oblong, thickly papery to thickly leathery or fleshy, entire, apex obtuse to acuminate; veins anastomosing, without included free veinlets. Fertile pinnae distal on frond or most or all of lamina fertile, slightly smaller. Sporangia scattered on whole of abaxial surface; paraphyses capitate, apex lobed and multicellular. Spores tetrahedral-globose, perispore papillate to tuberculate, with rodlets or sparse strands. x = 30.

Three species: pantropical; two species in China.

(Authors: Dong Shiyong (董仕勇); A. Michele Funston)


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