Family, Pink. Color, purple. Calyx, 5-toothed. Petals, notched at apex or entire, purple, rarely white. Leaves, needle-shaped, crowded on the stem like those of a moss. Flowers, small, sessile, single.
A delicate, low, Alpine species found in the White Mountains, New Hampshire, northward and westward. 1 or 2 inches high, tufted.