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see petalpetal,
one of the four basic parts of a flower, next innermost organ from the sepal. The whorl of petals is known collectively as the corolla [Lat.,=little crown]. The number of petals is usually constant within groups (e.g.
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in flowers, the inner circle of small leaves (petals) of a double perianth. Petals forming the corolla may be free, separate (polypetalous corollas) or united (gamopetalous corollas, which have developed in the course of evolution from the polypetalous ones). The corolla is the most noticeable part of the flower, and in speaking of flowers one usually has in mind the corolla. The color of the corolla depends mainly on special pigments (anthocyanins and flavones) dissolved in the cell fluid. The biological role of the corolla is to make the flower more noticeable to insects that carry out cross-pollination of plants and to protect the stamens and the pistil. In the process of plant evolution the corolla developed from modified stamens that had lost their anthers or (more rarely) from top leaves. The endless variety of corollas in shape, detail of structure, color, and the like is a valuable aid in the taxonomy of plants.


Collectively, the petals of a flower.


the petals of a flower collectively, forming an inner floral envelope
References in periodicals archive ?
Sitting on Toyota's new multipurpose platform, also used on the C-HR SUV and the latest Prius, the new Corolla is available as a hatch, estate and - for the first time since 2006 - a saloon.
So here comes the 12th generation Corolla - and like its predecessors it will be built in Britain.
The real benefit of hybrids - and there's no diesel in the Corolla range - is their fuel economy and low emissions which for the new 2.0-litre are rated officially at 60.6mpg with a CO2 figure as low as 89g/km.
"The all-new 2014 Corolla is not an evolution, it's a revolution" said Jon Williams, Managing Director of Al Futtaim Motors.
Regional premier of the all-new Corolla was held during the Dubai International Motor Show last month.
Jon Williams, managing director, Al-Futtaim Motors said: "Corolla accounts for 15 per cent of Toyota's sales globally making this vehicle one of the most popular in the brand's entire product line up.
The Corolla, currently produced at 15 plants worldwide, accounts for one in five vehicles sold in Toyota's 76-year history.
get around in a personal vehicle was therefore growing and this insight led Hasegawa to conceptualize the first Corolla, with his guiding principles defining the vehicle ever since: always evolving and designed to meet consumer needs in each market.
But the gas mileage of the new hybrid Corolla will be less than the 35.4 km of the automaker's smaller Aqua, known as the Prius C hatchback in the North American market.
Washington, Sep 1 ( ANI ): The stylish Ford Focus is set to unseat Toyota's Corolla to become the world's top-selling car, automobile giant Ford has said.
A customer can even win one of the 30 Corollas, which are on raffle along with assured high value gifts.
The Toyota Corolla has been on sale in one form or another since 1966 and to date over 30 million have been sold.