单词 | genus Equisetum |
例句 | The single genus Equisetum is the survivor of a large group of plants, known as Arthrophyta, which produced large trees and entire swamp forests in the Carboniferous. Fundamentals of Biology 2015-01-01T00:00:00Z "Equisetum thermale appears to be the oldest record of the genus Equisetum and at the very least, records that anatomically, essentially modern –like horsetails have a history extending back to the Late Jurassic," said Channing. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z There is some debate as to the evolutionary beginnings of the genus Equisetum. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z |
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