alyssum


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alyssum

(əlĭs`əm), any species of the genus Alyssum of the family Cruciferae (or Brassicaceae; mustardmustard,
common name for the Cruciferae, or Brassicaceae, a large family chiefly of herbs of north temperate regions. The easily distinguished flowers of the Cruciferae have four petals arranged diagonally ("cruciform") and alternating with the four sepals.
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 family), annual and perennial herbs native to the Mediterranean area. A few species, notably the perennial golden tuft (A. saxatile), are cultivated as rock-garden or border ornamentals for their masses of yellow or white flowers. The annual sweet alyssum (called A. maritima but separated by most botanists as Lobularia maritima) is a similar plant with fragrant white or lilac blossoms. The alyssums have been called madwort or heal-bite because of an old belief that they cured rabies. Alyssum is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Capparales (or Brassicales), family Cruciferae (or Brassicaceae).

Alyssum

 

a genus of plants of the family Cruciferae. Annual or perennial herbs, less frequently semishrubs, usually with entire leaves. The plants are often silvery because of their dense covering of stellate hairs. Small yellow or yellowish white blossoms are gathered into corymbiform or penicillate inflorescences. The fruit is a silicula. There are approximately 150 species of Alyssum, chiefly Mediterranean. Of these, 40 exist in the USSR. Many species are cultivated as ornamental plants.

alyssum

any widely cultivated herbaceous garden plant of the genus Alyssum, having clusters of small yellow or white flowers: family Brassicaceae (crucifers)
References in periodicals archive ?
The benefits of planting to attract beneficials have not been widely evaluated, but one recent study by a University of California researcher proved that planting rows of white sweet alyssum between rows of lettuce actually increased the number of beneficial insects that visited the plantings.
To keep the border looking attractive, she combined vegetables that leave holes when harvested (carrots, head lettuce, cabbages, and cauliflower, for example) with flowers that spread to fill in the spaces left behind (sweet alyssum, violas, and nasturtiums).
Or plant your own at least two weeks before the party: partially fill a 6- to 8-inch plastic pot with soil, set a blooming annual (pansies, bedding dahlias, and zinnias are colorful choices) from a 4-inch pot in the center, then space small-flowered annuals (sixpack-size) such as sweet alyssum around the edges.
The formation of Alyssum Group is the beginning of a significant, long-term initiative with backing from key strategic players in the aviation industry.
Mrs JS Fitton A You're looking for Aurinia saxatilis - which used to be known as Alyssum Gold Dust.
Take cuttings of rock plants such as aubrieta, alyssum, phlox, thyme and dianthus.
We don't go down the bedding plant route - you won't see lobelia, pelargoniums or alyssum in our pots.
Alyssum is a lovely groundcover bedding plant that you see in most parks.
Sweet alyssum is grown for white flowers all summer long, but also enjoy the soft scent.
The flowers put on display included Gypsophila, Gamolepis, Acroclinium, Anchusa, Ageratum, Aster, Alyssum, Antirrhinum, Calendula, Candytuft, Corn Flower, Cineraria, Clarkia, Dianthus, Dimorphotheca, English Daisy, Gazania, and Helichrysum.