This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The habitat of this plant is bogs and wet moors. The plant has the rosette habit. The stem is more or less simple, erect, stoloniferous, leafy, downy above, branched from the base, the barren shoots prostrate, slender. The leaves are alternate, flat, entire. The radical leaves form a rosette, and are stalked, lance-shaped or spoon-shaped, the stem-leaves linear, slightly toothed. The flowers are yellow, dotted with red, more or less solitary or few, terminal. The sepals are free, bent back, blunt, fringed at the border. The petals are blunt, with 2 hard points near the base, inversely egg-shaped. The capsule is superior, with short, spreading beaks. The plant is 4-8 in. high, flowering in July and August, and is a herbaceous perennial.