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Catharanthus roseus


Catharanthus roseus
Photo Information
Copyright: Raju Chatterjee (rajuchatterjee) (45)
Genre: Plants
Medium: Color
Date Taken: 2011-04-23
Categories: Flowers
Camera: Canon EOS 550D, Canon 18-55 Kit Lens
Exposure: f/9.0, 1/125 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2011-04-25 0:01
Viewed: 2931
Points: 0
[Note Guidelines] Photographer's Note
Periwinkle Vinca, Evergreen.
Bengali: Nayantara.
Catharanthus roseus (Madagascar Periwinkle) is a species of Catharanthus native and endemic to Madagascar.
It is an evergreen subshrub or herbaceous plant growing to 1 m tall. The leaves are oval to oblong, 2.59 cm long and 13.5 cm broad, glossy green, hairless, with a pale midrib and a short petiole 11.8 cm long; they are arranged in opposite pairs. The flowers are white to dark pink with a darker red centre, with a basal tube 2.5-3 cm long and a corolla 25 cm diameter with five petal-like lobes. The fruit is a pair of follicles 24 cm long and 3 mm broad.

As an ornamental plant, it is appreciated for its hardiness in dry and nutritionally deficient conditions, popular in subtropical gardens where temperatures never fall below 5 C to 7 C, and as a warm-season bedding plant in temperate gardens. It is noted for its long flowering period, throughout the year in tropical conditions, and from spring to late autumn in warm temperate climates. Full sun and well-drained soil are preferred. Numerous cultivars have been selected, for variation in flower colour (white, mauve, peach, scarlet and reddish-orange).


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