| 单词 | 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 Her team zeroed in on the nutritional content of low-growing, spore-bearing horsetails, or Equisetum, which were widespread during the Jurassic period and still grow today. Sauropods grew big by munching ‘superfoods’ with sturdy beaks 2019-10-17T04:00:00Z When government scientists collected twenty-two samples from across the United States, however, they found gold concentrations well below one part per million, and concluded, “Equisetum would not be useful in prospecting for gold.” The Strange Secret History of Operation Goldfinger 2017-06-10T04:00:00Z The underwood of the forest consisted chiefly of Laurus benzoin and Cercis Canadensis; the ground was covered with Equisetum hyemale, from one and a half to two feet high. Travels in the Interior of North America, Part I, (Being Chapters I-XV of the London Edition, 1843) Early Western Travels, 1748-1846, Volume XXII 2012-02-08T03:00:17.410Z Equisetum, quite a puzzle for a beginner; never mind, learn soon. The Legendary and Poetical Remains of John Roby author of 'Traditions of Lancashire', with a sketch of his literary life and character 2011-11-07T02:00:18.317Z One of their interesting finds was the abundant fossilized remains of a species of Equisetum. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z Equisetum is rich in protein, they say, and far more nutritious than the ferns, cycads, and conifers common in the dinosaur era. Sauropods grew big by munching ‘superfoods’ with sturdy beaks 2019-10-17T04:00:00Z In the nineteen-forties in Czechoslovakia, scientists reported finding gold in the herb Equisetum palustre, or marsh horsetail. The Strange Secret History of Operation Goldfinger 2017-06-10T04:00:00Z The seeds of the Equisetum palustre appear to be alive by their twisting motion, when viewed through the microscope; but that is not animal life. Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History Upper part of a stem of a Horsetail, Equisetum sylvaticum. The Elements of Botany For Beginners and For Schools The authors discovered that in many ways the morphology and anatomy of this fossilized Equisetum is indistinguishable from those of species living today in two subgenera, and Hippochaete. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z The pores which traverse longitudinally the channelled grooves by which the stems of our recent Equiseta are so delicately fluted, are said considerably more to resemble the discs of pines and araucarians than ordinary stomata. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Country people who know it, call it Joint Grass or Horsetails; the books call it Equisetum. Woodland Tales It is certainly true that spiral torsion of the stem is specially frequent in the species of Equisetum, most of which grow in such spots. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants There are a number of common species of Equisetum. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses "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 The points of resemblance borne by the conifers to the huge Equiseta of the Oolitic period seem to have been equally striking. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Equisetum continues in the bed of the river. Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries He prepared the genera Equisetum and Isoetes for the seventh edition of "Gray's Manual." The Fern Lover's Companion A Guide for the Northeastern States and Canada Species, which generally bear their leaves in whorls, are also subjected to casual atavisms of this kind, as for instance the tall European horsetail, Equisetum Telmateja, which occasionally bears cones on its green summer stems. Species and Varieties, Their Origin by Mutation 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 Equiseta, calamites, ferns, Voltzia, and a few of the other families found so abundantly in the preceding formation, here present themselves, but in diminished size and quantity. Vestiges of the Natural History of Creation I found several fine ferns up this hill; at its base an Acer and fine Equisetum. Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries The tallest Equisetum in England—the beautiful E. Telmateia—is seldom five feet high. Town Geology I have had the opportunity of collecting an instance of this anomaly on the tall Equisetum telmateja in Switzerland, and other cases are on record in teratological literature. Species and Varieties, Their Origin by Mutation They could also compare its morphological features to extant species of Equisetum today—which can also be found in mineral- and geothermal-spring environments—and make inferences about the fossil species' ecology. Newly Discovered Plant Fossil Reveals More Than Age 2011-05-06T16:37:00Z These were close allies of the Equiseta or "horsetails," of the present; but they bore characteristics of higher classes in the woody structures of their stems. The Elements of Geology |
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