It may be the widest-distributed of all the Echinodorus, with the most northerly range. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Echinodorus tenellus is found throughout North, Central, and South America, especially in Southern Brazil and the southern states of North America. Normally it is found in wet sand on the shores of pools or in inundated zones of rivers. It is only rarely found in running water. There may be several different variations, which have at times been given separate taxonomic rank.
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Lambert M. S.
Книга по Требованию
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|Echinodorus Berteroi Книга по Требованию Lambert M. S. |
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In Rataj' s taxonomy E. berteroi is in Section Berteroii, Subgenus Echinodorus. It ranges through the tropical, sub-tropical and edges into the temperate zones of its range. Several varieties are named in the literature, but their exact status in such a variable plant seems uncertain. Very large range, perhaps the most extensive of the genus, growing in shallow and periodic waters. It can be found even in almost dry places, growing dwarfed, almost like a form of E. tenellus. southern parts of the United States, Central America and the West Indies.
|Echinodorus Macrophyllus Книга по Требованию Lambert M. S. |
Blade membraneous, sagittato-cordate or triangularly obovate with long blunt lobes, approximately as wide as the midrib length and widest at the base. Blade (6. 5) - 20 - 30 cm long and (7_ - 20 - 30 cm wide with 11 - 13 veins (7 - 15 are possible). No pellucid markings. Pubescence simple or stellate and absent on young or submerged plants. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Petioles 2 - 3 x longer than the blade, membraneously alate on the base, thin to densely pilose under the blade.