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).
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

alyssum

any widely cultivated herbaceous garden plant of the genus Alyssum, having clusters of small yellow or white flowers: family Brassicaceae (crucifers)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Bamboo and long grasses are a great addition to this style as they contribute a gentle rustling in the wind.Planting fragrant plants such as honeysuckle, sweet alyssum and roses will bring heavenly scents to your nostrils, enhancing the whole outdoor experience and lifting moods.
Sweet alyssum: Exceptionally floriferous with tiny white, blue, rose or bicolored blooms.
For shade, combine blue lobelia (Lobelia erinus) with white and red impatiens; in sun, try a blue-spiked salvia with a compact red dahlia and white sweet alyssum.
It's a three-metre-long mat which you roll out on a weed-free area ave a ould try y the same 's a three-metre-long on a weed-free area sweet alyssum, poppy, flax corn m lo and then cover with compost and water.
In our online Pest Control Survey (www.MotherEarthNews.com/Pest-Control-Survey), the gardeners who reported the most success with companion planting to discourage pests used a single technique: "growing tons of flowers," with borage, calendula, dill, sweet alyssum, and herbs such as basil, garlic chives and oregano named most frequently.
As the more spectacular fragrances fade in late summer, subtle scents become more evident, perhaps from a late flush of pansies or the white flowers of low, self-seeding sweet alyssum, especially noticeable on warm evenings.
Any seedlings will show the name clearly in the early stages, but low-growing flowers such as sweet alyssum stay clear longest.
Beds and borders - larkspur mixed, night- scented stocks, Poached Egg Plant, Shirley Poppies and sweet alyssum. Country favourites - annuals mixed, Californian Poppies, godetia, Love- In-A-Mist, marigolds.
Soften borders by tucking in some low, mounding plants, such as catmint, Sanvitalia, and sweet alyssum.
Pansies, sweet alyssum, lobelia and miniature roses all create that English garden look in small scale.
Use dependable annuals such as busy lizzies, cosmos, cleome, nicotiana, sweet alyssum and petunia in containers to draw your eye when daylight dims.
Fragrant annual sweet alyssum attracts beneficial insects and often reseeds itself, and dwarf curly parsley is always a dazzler in perimeter plantings.