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Euphorbia invaded by Formica


Euphorbia invaded by Formica
Photo Information
Copyright: philippe hornus (amanengone) Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 124 W: 24 N: 207] (868)
Genre: Plants
Medium: Color
Date Taken: 2009-03-23
Categories: Flowers
Camera: Olympus E520, ZUIKO DIGITAL ED 50 mm 1:2.0
Exposure: f/4, 1/320 seconds
Photo Version: Original Version
Date Submitted: 2009-04-09 15:28
Viewed: 576
Points: 0
[Note Guidelines] Photographer's Note
The plant:

Euphorbia characias Linneae, 1753.

Wulfen's wood spurge
Palisaden-Wolfsmilch
Tartago major, Euforbia encarnata
Euforbia cespugliosa, Euforbia a cespi
Grosse euphorbe méditerranéenne

Classification

Division : Magnoliophyta
Classe : Magnoliopsida
Ordre : Malpighiales
Famille : Euphorbiaceae
Genre : Euphorbia

Phylogenetic classification :

Ordre : Malpighiales
Famille : Euphorbiaceae

Geography: Garrigue, a type of vegetation found on limestone soils around the Mediterranean Basin.

Description: Shrub of one meter high, with bluish green oval leaves. When cut or injured, the stem leaves a highly toxic white latex, which is characteristic of Euphorbiaceae. Yellowish green inflorescences (like Cyathea) met in umbels, the flowers having no sepals or petals, each containing a 3 style female flowers and are surrounded by male flowers with one stamen; contained in a cup formed by 2 bracts; the "flowers" presents 4 glands, purples at maturity.

Ecology: this euphorbia has developed adaptation mechanisms to drought; its leaves have a waxy waterproof cuticle, limiting evapotranspiration of the plant.

The camera:

Camera: Olympus E-520
Objective: Zuiko teleobjectif 50mm
Aperture: f/4
Speed: 1 / 320
Aperture Priority
Equivalent sensibility: iso-100

The picture:

Original Size: 3648  2736 px
Format: Olympus Jpeg
Resolution: 314ppp  314ppp
Color Depth: 24
Color: sRGB
Resizing at 742  550px, correction and apposition on a grey frame of 600  800 px,


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