Myriophyllum Mattogrossense
''Myriophyllum mattogrossense'' is native to the wetlands of South America. It is commonly used as an aquarium plant, but is in fact a mostly aquatic herb that can grow to 60 cm in length. In nature, it is found almost exclusively in marshes, ephemeral ponds, streams, or on banks of mud. References mattogrossense Plants described in 1915 {{Saxifragales-stub ...
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Myriophyllum
''Myriophyllum'' (water milfoil) is a genus of about 69 species of freshwater aquatic plants, with a cosmopolitan distribution. The center of diversity for ''Myriophyllum'' is Australia with 43 recognized species (37 endemic). These submersed aquatic plants are perhaps most commonly recognized for having elongate stems with air canals and whorled leaves that are finely, pinnately divided, but there are many exceptions. For example, the North American species ''M''. ''tenellum'' has alternately arranged scale like leaves, while many Australian species have small alternate or opposite leaves that lack dissection. The plants are usually heterophyllous, leaves above the water are often stiffer and smaller than the submerged leaves on the same plant and can lack dissection. Species can be monoecious or dioecious. In monoecious species plants are hermaphrodite, in dioecious species plants are either male or female, the flowers are small, 4(2)-parted and usually borne in emergent leaf ax ...
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