Parnassia palustris - detail #2

Posted by
Johan Dierckx (Wijnegem, Belgium) on 30 January 2015 in Plant & Nature and Portfolio.

Parnassia palustris

NL: Parnassia
EN: Marsh Grass-of-Parnassus, Northern Grass-of-Parnassus, Bog-star
DE: Sumpf-Herzblatt, Studentenröschen
FR: Parnassie des marais

Parnassia palustris is an evergreen perennial usually flowering from July through August. The flowering stem is terminated by a single, creamy white flower with 5 conspicuously veined petals 8-13 mm long. Alternating with the 5 stamens are 5 staminodia (modified stamens that function to help attract pollinators) divided about halfway to the base into 9 or more distinct filaments. The stamens, which mature before the stigma is fully developed and receptive, ripen and dehisce successively, promoting a longer period for cross-pollination. This species frequently occurs in more alkaline habitats, such as meadows and in damp calcareous sands on lakeshores and dune-slacks.

Image: Bassenge (BE) - 24/08/2014

Canon EOS 7D 1/200 second F/5.6 ISO 200 65 mm

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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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Canon EOS 7D
1/200 second
ISO 200
65 mm