Stems: one-flowered. Leaves: linear, sessile. Flowers: nodding, petals narrow, two-cleft, included in the calyx, calyx inflated, its teeth triangular-ovate, acute. Fruit: a capsule.
This Pink is an arctic-alpine plant with very narrow leaves growing in pairs up the stem, and nodding white flowers which become erect in fruit. The five petals are enclosed and almost hidden within the green inflated calyx which is strongly purple-veined, tubular, and sharply toothed.
Lychnis Drummondii, or Drummond's Pink, is a hairy, sticky, tall plant with numerous erect white, or rarely purplish flowers.