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

Maioid :: Maioid (a.) Of or pertaining to the genus Maia, or family Maiadeae..
Acacia :: Acacia (n.) A genus of leguminous trees and shrubs. Nearly 300 species are Australian or Polynesian, and have terete or vertically compressed leaf stalks, instead of the bipinnate leaves of the much fewer species of America, Africa, etc. Very few are found in temperate climates..
Vampire :: Vampire (n.) Any one of several species of harmless tropical American bats of the genus Vampyrus, especially V. spectrum. These bats feed upon insects and fruit, but were formerly erroneously supposed to suck the blood of man and animals. Called also false vampire..
Ovenbird :: Ovenbird (n.) Any species of the genus Furnarius, allied to the creepers. They inhabit South America and the West Indies, and construct curious oven-shaped nests..
Butterwort :: Butterwort (n.) A genus of low herbs (Pinguicula) having simple leaves which secrete from their glandular upper surface a viscid fluid, to which insects adhere, after which the margin infolds and the insects are digested by the plant. The species are found mostly in the North Temperate zone..
Slit-shell :: Slit-shell (n.) Any species of Pleurotomaria, a genus of beautiful, pearly, spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas..
Pterichthys :: Pterichthys (n.) A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi.
Datura :: Datura (n.) A genus of solanaceous plants, with large funnel-shaped flowers and a four-celled, capsular fruit..
Spiderwort :: Spiderwort (n.) An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus..
Sarcoptid :: Sarcoptid (n.) Any species of the genus Sarcoptes and related genera of mites, comprising the itch mites and mange mites..
Wombat :: Wombat (n.) Any one of three species of Australian burrowing marsupials of the genus Phascolomys, especially the common species (P. ursinus). They are nocturnal in their habits, and feed mostly on roots..
Euphorbia :: Euphorbia (n.) Spurge, or bastard spurge, a genus of plants of many species, mostly shrubby, herbaceous succulents, affording an acrid, milky juice. Some of them are armed with thorns. Most of them yield powerful emetic and cathartic products..
Ginger :: Ginger (n.) A plant of the genus Zingiber, of the East and West Indies. The species most known is Z. officinale..
Lumbricoid :: Lumbricoid (a.) Like an earthworm; belonging to the genus Lumbricus, or family Lumbricidae..
Peziza :: Peziza (n.) A genus of fungi embracing a great number of species, some of which are remarkable for their regular cuplike form and deep colors..
Canella :: Canella (n.) A genus of trees of the order Canellaceae, growing in the West Indies..
Neritina :: Neritina (n.) A genus including numerous species of shells resembling Nerita in form. They mostly inhabit brackish water, and are often delicately tinted..
Salix :: Salix (n.) A genus of trees or shrubs including the willow, osier, and the like, growing usually in wet grounds..
Rissoid :: Rissoid (n.) Any one of very numerous species of small spiral gastropods of the genus Rissoa, or family Rissoidae, found both in fresh and salt water..
Flower-de-luce :: Flower-de-luce (n.) A genus of perennial herbs (Iris) with swordlike leaves and large three-petaled flowers often of very gay colors, but probably white in the plant first chosen for the royal French emblem..
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