Appearance
The leaves are green to greyish green, slender, 3–5 cm long and 2–4 mm broad. The flowers are white, pink, or red, 3–4 cm diameter, produced singly or in small clusters from spring to mid summer. Several branched stems form a loose eyrie. The basal leaves are usually already withered during flowering, the leaves remain on the stem.Growing in the form of a bush, the flowers are often together in pairs, and ornamental varieties could accommodate up to 15 flowers in a cymose inflorescence. Below the flower stand four bracts, which reach to half of the calyx; they are ciliated and point upward. The calyx forms a cylindrical, 1.5 to 2.5 cm long tube, the corolla reaches 3 to 4 cm in diameter and is serrated at the edge. The color of the petals ranges from white to pink to dark red, the middle is often pigmented darker. The capsule fruit is enclosed by the sepals. The black seeds are flattened-roundish.
Distribution
The plant has a large distribution area in East Asia, which includes not only China, but also Korea and eastern Russia, to the northwest it still occurs in Mongolia and Kazakhstan. The Flora of China also counts Europe as the area of distribution. The sites include grasslands as well as sparse forests.References:
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