Ceratostigma plumbaginoides

Ceratostigma plumbaginoides (蓝雪花), the hardy blue-flowered leadwort, is a species of flowering plant in the plumbago family, native to Western China (Beijing Shi, Henan, Jiangsu, Shanxi, Zhejiang), where it is usually found in rocky foothills.[2]

Ceratostigma plumbaginoides
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Plumbaginaceae
Genus: Ceratostigma
Species:
C. plumbaginoides
Binomial name
Ceratostigma plumbaginoides
Bunge[1]

Growing to 50 cm (20 in) tall and broad, it is a mat-forming herbaceous perennial with small ovoid leaves and bright blue flowers in late summer and early autumn. The leaves may turn red or purple before falling.

The Latin specific epithet plumbaginoides signifies its resemblance to plants in the closely related genus Plumbago.[3]

Ceratostigma plumbaginoides is grown as an ornamental plant in temperate climates, valued for its late season colour. It is hardy down to −10 °C (14 °F), but prefers a sunny, sheltered position in moist, well-drained soil. As it can become invasive, it is particularly suited to growing in a pot, or crevices in a dry stone wall.[4] It has gained the Royal Horticultural Society’s Award of Garden Merit.[5][6]

Etymology

Ceratostigma is derived from Greek, meaning 'horned stigma’. This is in reference to the ‘shape of the stigmatic surface’.[7]

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References
  1. "Ceratostigma plumbaginoides Bunge". The Plant List. Retrieved 29 October 2018.
  2. "Ceratostigma plumbaginoides Bunge". Flora of China. Retrieved 29 October 2018.
  3. Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X.
  4. Klein, Carol (30 October 2004), "How to grow: Ceratostigma", The Telegraph, retrieved 29 October 2018
  5. "RHS Plantfinder - Ceratostigma plumbaginoides". Retrieved 29 October 2018.
  6. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 17. Retrieved 29 October 2018.
  7. Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 99
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