Seagrass
Videos
Seagrasses are the only embryophytes which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families, all in the order Alismatales. Seagrasses ev
Zostera marina National Museum of Nature and Science, Tokyo DSC07663
Structures of sulfated galactans from marine organisms. Sulfated polysaccharide structures from left to right: red algae: Botryocladia occidentalis, seagrass: Ruppia maritima, sea urchin: Echinometra lucunter, tunicate: Styela plicata.
Zostera marina seedling
Seagrass bed with several echinoids
Alismatales
Videos
The Alismatales are an order of flowering plants including about 4,500 species. Plants assigned to this order are mostly tropical or aquatic. Some grow in fresh water, some in marine habitats. The ord
Seagrass
…60 species of fully marine seagrasses which belong to four families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the order Alismatales (in the clade of monocotyledons). Seagrasses evolved from terrestrial plants which recolonised the ocean 70 to 100 million years ago. The name seagrass…
Alisma Plant 1
Snake lily (Dracunculus vulgaris) of family Araceae in Crete, Greece.
Ottelia alismoides from family Hydrocharitaceae in Hyderabad, India.
Flower poster 2