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any plant of the genus Petunia, South American herbs of the family Solanaceae (nightshadenightshade,
common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping types, and rank-smelling foliage is typical of many species.
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 family). The common garden petunias, planted also in window boxes, are all considered hybrids of white-flowered and violet-flowered species from Argentina. The plants are of a straggling habit and produce an abundance of large, funnel-shaped, fragrant blossoms. Petunias are 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 Solanales, family Solanaceae.



a genus of annual or perennial herbaceous plants of the family Solanaceae. The branching stems are often glandular-hairy. The leaves are entire, and the flowers are solitary and usually large. The corolla, which is violet, reddish, or white, has a cylindrical or hornlike tube and a funnelform or salverform blade with five lobes. The fruit is a capsule.

There are approximately 15 species (according to other data, as many as 40), distributed in South America and in the southern part of North America. Numerous varieties are used as annual ornamentals: they are used as plant borders or planted in flower beds or pots. The varieties are combined under the general name of the common garden petunia (P. × hybrida) and are differentiated according to stem length, size, and the shape and color of the flowers.


any solanaceous plant of the tropical American genus Petunia: cultivated for their white, pink, blue, or purple funnel-shaped flowers
References in periodicals archive ?
Tall, narrow pots are trendy and eye-catching if they are crowned with a bushy trailing plant like Easy Wave petunias and Million Bells.
Petunias can tolerate relatively harsh conditions and a hot climate.
I shall certainly be growing these trailing petunias again in 2013.
Home grown Petunia Express in red white or blue and Petunia Easy Wave Union Flag mixed.
Ryton Gardens, in Ryton on Dunsmore, invited the young gardeners to take part in a petunia growing project.
London, Nov 25 (ANI): Horticulturists have developed the world's first black petunia plant for next summer's gardens.
Although I do sow hybrid petunias in situ (on top of a mixture of potting compost mixed with vermiculite and covered with cling-film secured in place) I should probably be that much more successful if I started them off in trays.
Charity spokesman Richard Johnson said: "Punk and petunias don't normally mix, but our garden inspired by Iggy Pop is bringing a bit of rock 'n' roll to Chelsea.
Double petunias are particularly striking, including the rich mauve `Tumbelina Priscilla' whose the trailing habit is compact.
For a really spicy scent, go for deep purple petunias, whose spicy fragrance is pumped out in the evening," Louise suggests.
You have to think beyond purple petunias if you really want to improve the urban environment, says Western Mail gardening columnist John Humphries, right.