Dianthus chinensis

Dianthus chinensis, commonly known as rainbow pink[1] or China pink (Chinese: 石竹 shí zhú) is a species of Dianthus native to northern China, Korea, Mongolia, and southeastern Russia.[2] It is a herbaceous perennial plant growing to 30–50 cm tall.

Dianthus chinensis
A naturalized pnk in Korea
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Dianthus
Species:
D. chinensis
Binomial name
Dianthus chinensis

Description

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.[2] 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, as ornamentals read varieties accommodate up to 15 flowers in a zymösen inflorescence forth. Below the flower stand four bracts, which reach to half of the calyx; they are ciliated and end up pointedly. The calyx forms a cylindrical, 1.5 to 2.5 cm long tube, the crown 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 drawn darker. The capsule fruitis enclosed by the sepals. The black seeds are flattened-roundish.[3]

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.

Cultivation

It is widely cultivated as an ornamental plant, both in China and elsewhere across temperate regions of the world; numerous cultivars have been selected for garden use.[4] Over the years, many forms have been derived from selection and hybridization. Today, the efforts of breeders are aimed at creating hybrids characterized by a compact bush, early and long flowering, flowers of various shades. This makes it possible to grow plants not only at the amateur level, but also for commercial purposes.[5]

  • Botanical illustration
  • 1858 illustration
  • Red flowers
  • Dianthus chinensis var. senperflorens
  • Pinkish white flowers
  • Imperials in a bush setting
  • Dianthus chinensis var. senperflorens

References
  1. English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 439. ISBN 978-89-97450-98-5. Retrieved 25 January 2016 – via Korea Forest Service.
  2. Flora of China: Dianthus chinensis
  3. Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Mueller (ed.): Excursion flora of Germany . Volume 5 . Herbaceous ornamental and useful plants. Springer, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 , p 190 .
  4. Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.
  5. Huxley, A., ed. (1992). New RHS Dictionary of Gardening . Macmillan ISBN 0-333-47494-5 .
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