Monday, November 10, 2008

The Vinca rosea - நித்திய கல்யாணி

The Vinca rosea - நித்திய கல்யாணி seen at Hougang Avenue 4, Singapore.

This is a perennial herb, everblooming with flowers commonly rose-purple or white. Cultivated as an ornamental plant, often running wild. Seen to grow even in cracks of concrete paves. Some cultivars with red, pink and multi-coloured petals.

Fruits follicular, about 25mm long, with many small seeds.

Common names: Periwinkle, pin-wheel flower...
Botanical synonyms: Catharanthus roseus, Lochnera rosea.

14 comments:

  1. வாழ்த்துகள். இன்னும் நிறைய தகவல்கள் எழுதலாமே. நன்றி.
    ssdavid63@yahoo.com

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  2. can u write the tamil name in English please? I cannot read tamil :(

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  3. hi loosu how r u?

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  4. Hi, I am fine.. and you..

    I will put the Tamil names in English. Tbank you..

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  5. will this flower can be used for dyeing fabrics

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  6. Hi Lavanya,

    No.. The colours are nice, but only when the flowers are intact. When crushed they turn brown - the sap oxidises. And even when applied on fabrics it would not even stain - dyes need to be fast and permenent.

    They are other vegetable dyes, mostly semi-permanent. For example, if you cut a brinjal you will notice that it turns purple inside when exposed to air. You can try that.

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  7. Haha, my name is
    Nithya
    Kalyani too...

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  8. hi, its scientific name has been changed as Catharanthus rosea .... pls do check that.

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    Replies
    1. its scientific name has been changed as Vinca Rosea...

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    2. its scientific name has been changed as Vinca Rosea...

      Delete
  9. Good Work.

    There are two varities depending
    upon the colours of the flowers.
    i.e. Pink and White colours.

    Ram, Chennai, India.

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  10. Very useful sir....Thanks a lot.

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