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

Eft :: Eft (n.) A European lizard of the genus Seps.
Vetch :: Vetch (n.) Any leguminous plant of the genus Vicia, some species of which are valuable for fodder. The common species is V. sativa..
Jacana :: "Jacana (n.) Any of several wading birds belonging to the genus Jacana and several allied genera, all of which have spurs on the wings. They are able to run about over floating water weeds by means of their very long, spreading toes. Called also surgeon bird..
Grunt :: Grunt (n.) Any one of several species of American food fishes, of the genus Haemulon, allied to the snappers, as, the black grunt (A. Plumieri), and the redmouth grunt (H. aurolineatus), of the Southern United States; -- also applied to allied species of the genera Pomadasys, Orthopristis, and Pristopoma. Called also pigfish, squirrel fish, and grunter; -- so called from the noise it makes when taken..
Motmot :: Motmot (n.) Any one of several species of long-tailed, passerine birds of the genus Momotus, having a strong serrated beak. In most of the species the two long middle tail feathers are racket-shaped at the tip, when mature. The bird itself is said by some writers to trim them into this shape. They feed on insects, reptiles, and fruit, and are found from Mexico to Brazil. The name is derived from its note..
Datura :: Datura (n.) A genus of solanaceous plants, with large funnel-shaped flowers and a four-celled, capsular fruit..
Bistort :: Bistort (n.) An herbaceous plant of the genus Polygonum, section Bistorta; snakeweed; adderwort. Its root is used in medicine as an astringent..
Crocus :: Crocus (n.) A genus of iridaceous plants, with pretty blossoms rising separately from the bulb or corm. C. vernus is one of the earliest of spring-blooming flowers; C. sativus produces the saffron, and blossoms in the autumn..
Senna :: Senna (n.) The leaves of several leguminous plants of the genus Cassia. (C. acutifolia, C. angustifolia, etc.). They constitute a valuable but nauseous cathartic medicine..
Perca :: Perca (n.) A genus of fishes, including the fresh-water perch..
Deutzia :: Deutzia (n.) A genus of shrubs with pretty white flowers, much cultivated..
Ear-shell :: Ear-shell (n.) A flattened marine univalve shell of the genus Haliotis; -- called also sea-ear. See Abalone.
Malacobdella :: Malacobdella (n.) A genus of nemertean worms, parasitic in the gill cavity of clams and other bivalves. They have a large posterior sucker, like that of a leech. See Illust. of Bdellomorpha..
Basilisk :: Basilisk (n.) A lizard of the genus Basiliscus, belonging to the family Iguanidae..
Lingula :: Lingula (n.) Any one of numerous species of brachiopod shells belonging to the genus Lingula, and related genera. See Brachiopoda, and Illustration in Appendix..
Avens :: Avens (n.) A plant of the genus Geum, esp. Geum urbanum, or herb bennet..
Lates :: Lates (n.) A genus of large percoid fishes, of which one species (Lates Niloticus) inhabits the Nile, and another (L. calcarifer) is found in the Ganges and other Indian rivers. They are valued as food fishes..
Zoanthus :: Zoanthus (n.) A genus of Actinaria, including numerous species, found mostly in tropical seas. The zooids or polyps resemble small, elongated actinias united together at their bases by fleshy stolons, and thus forming extensive groups. The tentacles are small and bright colored..
Manucode :: Manucode (n.) Any bird of the genus Manucodia, of Australia and New Guinea. They are related to the bird of paradise..
Skate :: Skate (n.) Any one of numerous species of large, flat elasmobranch fishes of the genus Raia, having a long, slender tail, terminated by a small caudal fin. The pectoral fins, which are large and broad and united to the sides of the body and head, give a somewhat rhombic form to these fishes. The skin is more or less spinose..
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