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• any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in prokaryotes (such as bacteria), and contain all or most of the genes of the organism

Utilisé pour : larkspur

• A genus of herbaceous plants in the buttercup family (Ranunculaceae), many of which are grown for the floral industry and as ornamentals for their showy flower stalks.

• The precise number of chromosomes typical for a given species. In any given asexually reproducing species, the chromosome number is always the same.

• a branch of biology dealing with the structure, function, multiplication, pathology, and life history of cells

Utilisé pour : elephant

• a thickset, usually extremely large, nearly hairless, herbivorous mammal (family Elephantidae, the elephant family) that has a snout elongated into a muscular trunk and two incisors in the upper jaw developed especially in the male into long ivory tusks:

• The Elgin Botanic Garden, established in 1801 in New York City by Dr. David Hosack (1769–1835), was a systematic arrangement of plants for scientific and pedagogical purposes. It served as a garden for teaching botany and materia medica at both the medical school of Columbia College and the College of Physicians and Surgeons. It was located in the area that is now midtown Manhattan.

Utilisé pour : elm

• A plant genus in the family Ulmaceae. Consists of forest and ornamental shade trees, native primarily to north temperate areas. Many are cultivated for their height and attractive foliage.

• A family of plants made up of trees and shrubs, distributed primarily throughout temperate regions. Members of the family are deciduous or evergreen and characteristically have watery sap. Several members of the family are cultivated as ornamental plants, and some are important for their wood. Commonly known as the elm family.

Utilisé pour : plant flora

• A list of all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants.