Definition of genus

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Genus (n.) An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus..

Lern More About Genus

Four-o''clock :: Four-o'clock (n.) A plant of the genus Mirabilis. There are about half a dozen species, natives of the warmer parts of America. The common four-o'clock is M. Jalapa. Its flowers are white, yellow, and red, and open toward sunset, or earlier in cloudy weather; hence the name. It is also called marvel of Peru, and afternoon lady..
Scabious :: Scabious (a.) Any plant of the genus Scabiosa, several of the species of which are common in Europe. They resemble the Compositae, and have similar heads of flowers, but the anthers are not connected..
Sheathbill :: Sheathbill (n.) Either one of two species of birds composing the genus Chionis, and family Chionidae, native of the islands of the Antarctic seas..
Hog :: Hog (n.) A quadruped of the genus Sus, and allied genera of Suidae; esp., the domesticated varieties of S. scrofa, kept for their fat and meat, called, respectively, lard and pork; swine; porker; specifically, a castrated boar; a barrow..
Diomedea :: Diomedea (n.) A genus of large sea birds, including the albatross. See Albatross..
Zosterops :: Zosterops (n.) A genus of birds that comprises the white-eyes. See White-eye.
Wasp :: Wasp (n.) Any one of numerous species of stinging hymenopterous insects, esp. any of the numerous species of the genus Vespa, which includes the true, or social, wasps, some of which are called yellow jackets..
Adonis :: Adonis (n.) A genus of plants of the family Ranunculaceae, containing the pheasant's eye (Adonis autumnalis); -- named from Adonis, whose blood was fabled to have stained the flower..
Tettix :: Tettix (n.) A genus of small grasshoppers.
Gadfly :: Gadfly (n.) Any dipterous insect of the genus Oestrus, and allied genera of botflies..
Asterolepis :: Asterolepis (n.) A genus of fishes, some of which were eighteen or twenty feet long, found in a fossil state in the Old Red Sandstone..
Cypraea :: Cypraea (n.) A genus of mollusks, including the cowries. See Cowrie..
Psylla :: Psylla (n.) Any leaping plant louse of the genus Psylla, or family Psyllidae..
Stylus :: Stylops (n.) A genus of minute insects parasitic, in their larval state, on bees and wasps. It is the typical genus of the group Strepsiptera, formerly considered a distinct order, but now generally referred to the Coleoptera. See Strepsiptera..
Haricot :: Haricot (n.) The ripe seeds, or the unripe pod, of the common string bean (Phaseolus vulgaris), used as a vegetable. Other species of the same genus furnish different kinds of haricots..
Bent :: Bent (n.) A grass of the genus Agrostis, esp. Agrostis vulgaris, or redtop. The name is also used of many other grasses, esp. in America..
Nosesmart :: Nosesmart (n.) A kind of cress, a pungent cruciferous plant, including several species of the genus Nasturtium..
Banyan :: Banyan (n.) A tree of the same genus as the common fig, and called the Indian fig (Ficus Indica), whose branches send shoots to the ground, which take root and become additional trunks, until it may be the tree covers some acres of ground and is able to shelter thousands of men..
Skimmer :: Skimmer (n.) Any species of longwinged marine birds of the genus Rhynchops, allied to the terns, but having the lower mandible compressed and much longer than the upper one. These birds fly rapidly along the surface of the water, with the lower mandible immersed, thus skimming out small fishes. The American species (R. nigra) is common on the southern coasts of the United States. Called also scissorbill, and shearbill..
Claytonia :: Claytonia (n.) An American genus of perennial herbs with delicate blossoms; -- sometimes called spring beauty.
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