The Common Bladder Campion is to be found all summer by the edge of fields and pastures.

It is a tall, slender plant, with white flowers which grow each on a thin short stalk, two or three close together at the end of a smooth stem.

The flowers have five petals, and each petal has V-shaped notches cut in the outer edge. The lower part of the petals is hidden from sight in the calyx-cup.

The five sepals which form this calyx-cup are joined together, and they are swollen like a bladder. This bladder is covered with a fine network of reddish veins, and has five teeth round its mouth.
Common Bladder Campion Plant
You will easily recognise the Common Bladder Campion by this curious calyx.

In this white Bladder Campion the stamens and the seed-vessel are found in the same flower, and you can always see the forked tip of the seed-vessel, rising among the dark green heads of the stamens.

The leaves of the Common Bladder Campion are smooth and shiny. They grow opposite each other in pairs, and wherever a pair joins the main stem, the stem is swollen like the joint of a finger.

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