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 species is rocks, and banks chiefly near the sea, sandy places. The plant has the cushion habit, forming matted tufts. The plant is smooth, bluish-green or reddish. The stems are prostrate, then ascending. The flowering stems are leafy, ascending. The leaves are crowded, mostly alternate, gibbous below, ovate, oblong, fleshy, spurred below. The flowers are crowded, few, white or pink, with red spots, in short, smooth, bifid scorpioid cymes. The sepals are short, blunt. The petals are lance-shaped, acute - pointed, keeled. The carpels are pink. The plant is 3-5 in. high, flowering from June to August, and is a herbaceous annual.