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
Congener ::
Congener (n.) A thing of the same genus, species, or kind; a thing allied in nature, character, or action..
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..
Melanorrhoea ::
Melanorrhoea (n.) An East Indian genus of large trees. Melanorrh/a usitatissima is the lignum-vitae of Pegu, and yelds a valuable black varnish..
Millepore ::
Millepore (n.) Any coral of the genus Millepora, having the surface nearly smooth, and perforated with very minute unequal pores, or cells. The animals are hydroids, not Anthozoa. See Hydrocorallia..
Xyris ::
Xyris (n.) A genus of endogenous herbs with grassy leaves and small yellow flowers in short, scaly-bracted spikes; yellow-eyed grass. There are about seventeen species in the Atlantic United States..
Neat ::
Neat (n. sing. & pl.) Cattle of the genus Bos, as distinguished from horses, sheep, and goats; an animal of the genus Bos; as, a neat's tongue; a neat's foot..
Bougainvillaea ::
Bougainvillaea (n.) A genus of plants of the order Nyctoginaceae, from tropical South America, having the flowers surrounded by large bracts..
Lettuce ::
Lettuce (n.) A composite plant of the genus Lactuca (L. sativa), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is L. Canadensis..
Syrt ::
Syrphus fly () Any one of numerous species of dipterous flies of the genus Syrphus and allied genera. They are usually bright-colored, with yellow bands, and hover around plants. The larvae feed upon plant lice, and are, therefore, very beneficial to agriculture..
Oncidium ::
Oncidium (n.) A genus of tropical orchidaceous plants, the flower of one species of which (O. Papilio) resembles a butterfly..
Hyacinth ::
Hyacinth (n.) A bulbous plant of the genus Hyacinthus, bearing beautiful spikes of fragrant flowers. H. orientalis is a common variety..
Tear-thumb ::
Tear-thumb (n.) A name given to several species of plants of the genus Polygonum, having angular stems beset with minute reflexed prickles..
Mycetes ::
Mycetes (n.) A genus of South American monkeys, including the howlers. See Howler, 2, and Illust..
Eolis ::
Eolis (n.) A genus of nudibranch mollusks having clusters of branchial papillae along the back. See Ceratobranchia.
Mimosa ::
Mimosa (n.) A genus of leguminous plants, containing many species, and including the sensitive plants (Mimosa sensitiva, and M. pudica)..
Heath ::
Heath (n.) Also, any species of the genus Erica, of which several are European, and many more are South African, some of great beauty. See Illust. of Heather..
Sabella ::
Sabella (n.) A genus of tubicolous annelids having a circle of plumose gills around the head.
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