310101 4E2803 8D0126 8F0100 B50102 BA0228 D6024E E00229

Nigritella bicolor

Posted by
Johan Dierckx (Wijnegem, Belgium) on 4 September 2011 in Plant & Nature and Portfolio.

Series: European Terrestrial Orchids

Nigritella bicolor (NL: "Tweekleurige vanilleorchis" / EN: Two-Colored Vanilla Orchid / DE: Zweifarbiges Kohlröschen / FR: ?) is a species of orchid only recently described (2010) by Wolfram Foelsche. “With its striking inflorescence – above a rim with brightly shining rays the rows of rose-coloured flowers are displayed while the tips of bracts are set apart in dark-red – this new species, without doubt, is our splendid, most attractive Nigritella”, Foelsche writes. He recognized that most of the red flowering Nigritella, which are usually called Nigritella rubra or Nigritella miniata and which are wide spread in the Alps, don't match with Nigritella rubra, which WETTSTEIN described 1889 from the Rax-Schneeberg region in Nieder-Österreich soutwest of Vienna. With Nigritella rubra sepals and petals should have about the same width. But many plants identified as Nigritella rubra have petals which are considerably slimmer than the sepals. Additionally there are also differences regarding the form of the lip and the colour of the inflorescence: In most cases the plant now described as Nigritella bicolor shows a brighter red in the lower part of the inflorescence than in its upper part. And Nigritella bicolor has a longer spur than Nigritella rubra. So Foelsche decribed the clan, which is wide spread between the Western Alps and the Carpathians, newly as Nigritella bicolor in 2010 in J.Eur.Orch 42 (1): 31-82.

More images and info on European terrestrial orchids can be found on my Wordpress-Blog about European Orchids

Image: Passo Giau (IT) - 06/07/2011

Canon EOS 400D 1/640 second F/4.5 ISO 200 150 mm

© Johan Dierckx

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All species are photographed in their natural habitat, without cutting or capturing them, and with maximal respect and the least possible disturbance to the environment.

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Aubélia from Kortrijk, Belgium

Prachtige detailfoto!

4 Sep 2011 10:29am

Marilla from Turku, Finland

Unbelievable red colour in these petals!

4 Sep 2011 7:05pm

Canon EOS 400D
1/640 second
ISO 200
150 mm