Rhododendron groenlandicum (Bog Labrador tea, formerly Ledum groenlandicum or Ledum latifolium), is a flowering plant in the subsection Ledum of the large genus Rhododendron in the family Ericaceae. It is a low shrub growing to 50 cm (rarely up to 2 m) tall with evergreen leaves 20–60 mm long and 3–15 mm broad. The leaves are wrinkled on top, densely hairy white to red-brown underneath, and have a leathery texture, curling at the edges. The tiny white flowers grow...