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• Gentianaceae, the gentian family (order Gentianales) of flowering plants: annual and perennial herbs and, rarely, shrubs. Members of the family are native primarily to northern temperate areas of the world, though many are also found in tropical and subtropical regions. Flowers of certain members of these genera display some of the purest blues in the plant kingdom, and many are cultivated as garden ornamentals.

• A genus of annual or perennial (rarely biennial) flowering plants of the family Gentianaceae distributed worldwide in temperate and alpine regions, especially in Europe and Asia, North and South America, and New Zealand. They are especially a notable feature of mountain regions, where the moisture-loving plants have access to underground water in summer and snow cover in winter. Gentian flowers are typically blue (hence “gentian blue”) or purplish blue but may be purple, violet, mauve, yellow, white, or even red; the four or five petals are usually united into a trumpet, funnel, or bell shape.

• A family of flowering plants, commonly known as the heath or heather family. Ericaceae is made up mostly of shrubs and small trees, and its members are widely distributed, extending into the subarctic and along mountain chains through the tropics.

• Rhododendron is a genus of shrubs in the plant family Ericaceae

• the bellflower family, containing 84 genera and about 2,400 species of mostly herbaceous (nonwoody) plants, many with showy, blue, bell-like flowers.

Utilisé pour : Bellflower

• A genus within the family Campanulaceae. Consists of annual, perennial, and biennial herbs. Collectively and commonly known as Bellflowers. Bellflowers have characteristically bell-shaped, usually blue flowers, and many are cultivated as garden ornamentals.

• The yam family. Plants are herbaceous or woody vines and shrubs, distributed throughout tropical and warm temperate regions. Members of the family have thick, sometimes woody roots or tuber-like underground stems and net-veined, often heart-shaped leaves that sometimes are lobed. The small green or white flowers of most species are borne in clusters in the leaf axils. The fruit is a winged capsule or a berry.

Utilisé pour : yams

• A genus of mostly tropical twining herbs (family Dioscoreaceae) including the yams and having net-veined leaves and small dioecious flowers

Utilisé pour : Borage

• A family of herbs, shrubs, or trees (order Polemoniales) of wide distribution distinguished mainly by circinate inflorescence and nutlike fruit. Commonly known as the forget-me-not family.

• A genus of flowering plants in the family Boraginaceae.