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.
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14 comments:

  1. இளங்குமரன்December 30, 2008 at 11:43 PM

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

    ReplyDelete
  2. AnonymousJanuary 23, 2010 at 9:03 PM

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

    ReplyDelete
  3. AnonymousMay 6, 2010 at 9:01 AM

    hi loosu how r u?

    ReplyDelete
  4. R. SabapathyMay 6, 2010 at 3:59 PM

    Hi, I am fine.. and you..

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

    ReplyDelete
  5. lavanyaAugust 7, 2010 at 2:38 PM

    will this flower can be used for dyeing fabrics

    ReplyDelete
  6. R. SabapathyOctober 27, 2010 at 11:00 AM

    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.

    ReplyDelete
  7. Venus Rules meJanuary 14, 2012 at 8:12 AM

    Haha, my name is
    Nithya
    Kalyani too...

    ReplyDelete
  8. AnonymousApril 14, 2012 at 3:41 PM

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

    ReplyDelete
    Replies
    1. RAVINDRANAugust 16, 2016 at 8:45 PM

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

      Delete
    2. RAVINDRANAugust 16, 2016 at 8:46 PM

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

      Delete
  9. AnonymousMay 1, 2013 at 8:36 PM

    Good Work.

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

    Ram, Chennai, India.

    ReplyDelete
  10. AnonymousDecember 7, 2018 at 1:54 AM

    Very useful sir....Thanks a lot.

    ReplyDelete
  11. UnknownSeptember 13, 2021 at 3:23 PM

    Apt clarifications

    ReplyDelete
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