Cladium Totally Explained

Everything about Cladium totally explained

Cladium (Fen-sedge, Sawgrass or Twig-sedge) is a genus of large sedges, with a world-wide distribution in tropical and temperate regions. These are plants characterized by long, narrow (grass-like) leaves having sharp, often serrated (sawtooth-like) margins, and flowering stems 1-3 m tall bearing a much-branched inflorescence.

Species The number of species is disputed, with different authors accepting between two and 60 species as distinct. The following is a selection of species.

Cladium californicum - California Sawgrass. Southwestern North America; doubtfully distinct from C. jamaicense.
Cladium chinense. Eastern Asia; doubtfully distinct from C. mariscus.
Cladium jamaicense (C. mariscus subsp. jamaicense) - Sawgrass. Warm temperate and tropical New World, except where replaced by C. californicum.
Cladium mariscoides - Smooth Sawgrass. Temperate North America.
Cladium mariscus - Great Fen-sedge. Europe, Asia, Africa.
Cladium nipponense. Eastern Asia; doubtfully distinct from C. mariscus.
Cladium procerum - Leafy Twig-sedge. Australia.

C. jamaicense is common throughout the tropical Americas, one typical and well-known area of extensive saw-grass growth is the Florida Everglades; saw-grass is the plant referred to by the descriptor, "River of Grass". Across the Everglades, C. jamaicense occurs in patches of dense growth surrounded by areas of very sparse growth. Because of the sharp, saw-like serrulations on the blades, dense beds of saw-grass can be dangerous to attempt to navigate through (the blades easily cut flesh). Consequently, the dense saw-grass beds harbor little animal life, but (in the Everglades) are the habitat used by alligators to build nests (Lodge, 1994). It is also considered to be indigenous to the Hawaiian Islands, where it dominates a considerable portion of the largest marsh in Hawai‘i, Kawai Nui Marsh.
Sawgrass may be useful as a source for developing biofuel (ethanol), possibly replacing corn as the cellulose (the basis for developing ethanol) source of choice. Studies on switchgrass, a prarie plant which shouldn't be mistaken for sawgrass, demonstrate that, since it's such a laborless crop to grow, it yields 540% of the energy used to harvest, and process it into ethanol. It is also carbon neutral, absorbing about the same amount of greenhouse gases while it's growing as it emits when burned as fuel.

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