The rose plant family in the order ROSALES and class Magnoliopsida. They are generally woody plants. A number of the species of this family contain cyanogenic compounds.

A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known as a source of edible fruits such as apricot, plum, peach, cherry, and almond.

A plant genus of the family ROSACEAE known for the edible fruit.

A plant genus of the family ROSACEAE. Members contain procyanidins and TANNINS.

A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known as a source of the edible fruit (apple) and is cultivated in temperate climates worldwide.

A plant genus of the family ROSACEAE.

A plant genus of the family ROSACEAE. Members contain prunioside, spiramine and other diterpene alkaloids.

A plant genus of the family ROSACEAE. Members contain TRITERPENES.

One of many different processes which occur in ANGIOSPERMS by which genetic diversity is maintained while INBREEDING is prevented.

A plant genus of the family ROSACEAE known for the edible fruit.

A species of gram-negative bacteria, in the genus ERWINIA, causing a necrotic disease of plants.

The above-ground plant without the roots.

A plant genus in the family ROSACEAE and order Rosales. This should not be confused with the genus RHODIOLA which is sometimes called roseroot.

The genetic complement of a plant (PLANTS) as represented in its DNA.

An order of the ANGIOSPERMS, subclass Rosidae. Its members include some of the most known ornamental and edible plants of temperate zones including roses, apples, cherries, and peaches.

The fertilizing element of plants that contains the male GAMETOPHYTES.

The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds.

The chromosomal constitution of a cell containing multiples of the normal number of CHROMOSOMES; includes triploidy (symbol: 3N), tetraploidy (symbol: 4N), etc.

The reproductive organs of plants.

Enzymes that catalyze the hydrolysis of ester bonds within RNA. EC 3.1.-.

The relationships of groups of organisms as reflected by their genetic makeup.

Partial cDNA (DNA, COMPLEMENTARY) sequences that are unique to the cDNAs from which they were derived.

The branch of science concerned with the means and consequences of transmission and generation of the components of biological inheritance. (Stedman, 26th ed)

Complex nucleoprotein structures which contain the genomic DNA and are part of the CELL NUCLEUS of PLANTS.

The functional hereditary units of PLANTS.

The transfer of POLLEN grains (male gametes) to the plant ovule (female gamete).

Triterpenes are a class of naturally occurring compounds consisting of six isoprene units arranged to form a 30-carbon skeleton, often found in plants and some animals, with various bioactivities including anti-inflammatory, antiviral, and cytotoxic properties.

A cutaneous disorder primarily of convexities of the central part of the FACE, such as FOREHEAD; CHEEK; NOSE; and CHIN. It is characterized by FLUSHING; ERYTHEMA; EDEMA; RHINOPHYMA; papules; and ocular symptoms. It may occur at any age but typically after age 30. There are various subtypes of rosacea: erythematotelangiectatic, papulopustular, phymatous, and ocular (National Rosacea Society's Expert Committee on the Classification and Staging of Rosacea, J Am Acad Dermatol 2002; 46:584-7).

Redness of the skin produced by congestion of the capillaries. This condition may result from a variety of causes.

Facial dermatoses refers to various skin conditions that affect the face, causing symptoms such as redness, inflammation, papules, pustules, scaling, or pigmentation changes, which can be caused by a range of factors including genetics, infections, allergies, and environmental factors.

Permanent dilation of preexisting blood vessels (CAPILLARIES; ARTERIOLES; VENULES) creating small focal red lesions, most commonly in the skin or mucous membranes. It is characterized by the prominence of skin blood vessels, such as vascular spiders.

Adverse cutaneous reactions caused by ingestion, parenteral use, or local application of a drug. These may assume various morphologic patterns and produce various types of lesions.

Drugs used to treat or prevent skin disorders or for the routine care of skin.

Infestations with arthropods of the subclass ACARI, superorder Acariformes.

The mechanical planing of the SKIN with sand paper, emery paper, or wire brushes, to promote reepithelialization and smoothing of skin disfigured by ACNE scars or dermal NEVI.

A manifestation of severe ROSACEA resulting in significant enlargement of the NOSE and occurring primarily in men. It is caused by hypertrophy of the SEBACEOUS GLANDS and surrounding CONNECTIVE TISSUE. The nose is reddened and marked with TELANGIECTASIS.

Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)

The dried seeds, bark, root, stems, buds, leaves, or fruit of aromatic plants used to season food.

A topical dermatologic agent that is used in the treatment of ACNE VULGARIS and several other skin diseases. The drug has teratogenic and other adverse effects.

The part of the face above the eyes.