Lamprocapnos

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Lamprocapnos
Dicentra-spectabilis.jpg
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Papaveraceae
Genus: Lamprocapnos
Endl.
Species: L. spectabilis
Binomial name
Lamprocapnos spectabilis
Synonyms [1]

Dicentra spectabilis (L.) Lem.
Diclytra spectabilis (L.) DC.
Fumaria spectabilis L.

Lamprocapnos spectabilis (bleeding heart or Asian bleeding-heart)[2] is a species of flowering plant in the poppy family Papaveraceae, native to Siberia, northern China, Korea and Japan. It is the sole species in the monotypic genus Lamprocapnos, but is still widely referenced under its old name Dicentra spectabilis (now listed as a synonym). It is valued in gardens and in floristry for its heart-shaped pink and white flowers, borne in spring.[3]

Other common names include "lyre flower" and "lady-in-a-bath".

Description

The two inner petals are made visible when the two pink outer petals are pulled apart. Their shape yields the common name "lady-in-a-bath".

The Asian bleeding-heart grows to 120 cm (47 in) tall by 45 cm (18 in) wide. It is a rhizomatous herbaceous perennial with 3-lobed compound leaves on fleshy green to pink stems. The arching horizontal racemes of up to 20 pendent flowers are borne in spring and early summer. The outer petals are bright fuchsia-pink, while the inner ones are white. The flowers strikingly resemble the conventional heart shape, with a droplet beneath – hence the common name. The pure white-flowered 'Alba', somewhat more robust than the species, is a popular cultivar. The plant sometimes behaves as a spring ephemeral, going dormant in summer.[3]

buds

History

The first specimens were introduced to England from Asia in the 1840s by the Scottish botanist and plant hunter Robert Fortune.[4]

Cultivation

In a moist and cool climate, it will grow in full sun, but in warmer and drier climates it requires some shade.

Aphids, slugs and snails sometimes feed on the leaves.

Clumps remain compact for many years and do not need dividing. They have brittle roots which are easily damaged when disturbed. Root cuttings should be taken in spring.[5]

Seeds with whitish elaiosomes are borne in long pods. They must be sown while fresh. Division should be done in the late fall (autumn) or early spring.

Cultivars

Several cultivars have been selected. 'Alba' has white flowers, and 'Gold Heart', introduced from Hadspen Garden, England, in 1997,[4] has yellow leaves.

The species,[6] the cultivar 'Alba'[7] and the red-and-white cultivar 'Valentine'[8] have gained the Royal Horticultural Society's Award of Garden Merit.[9]

Toxins

Contact with the plant can cause skin irritation in some people from isoquinoline-like alkaloids.[10][11]

Gallery

References

  1. ^ "Lamprocapnos spectabilis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 22 December 2017. 
  2. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 25 January 2015. Retrieved 17 October 2014. 
  3. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964. 
  4. ^ a b University of Vermont: Perry's Perennial Pages
  5. ^ "Bleeding heart". Plant Finder. BBC. 2012. Retrieved 27 April 2012. 
  6. ^ "Lamprocapnos spectabilis". Royal Horticultural Society. Retrieved 25 July 2013. 
  7. ^ "Lamprocapnos spectabilis 'Alba'". Royal Horticultural Society. Retrieved 25 July 2013. 
  8. ^ "RHS Plantfinder – Lamprocapnos spectabilis 'Valentine'". Retrieved 19 March 2018. 
  9. ^ "AGM Plants – Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 58. Retrieved 19 March 2018. 
  10. ^ University of Vermont Department of Plant and Soil Science
  11. ^ Leikin, Edited by Jerrold B.; Paloucek, Frank P. (2007), Poisoning and toxicology handbook, Boca Raton, Fla: CRC, p. 886, ISBN 1-4200-4479-6 

External links

Media related to Lamprocapnos at Wikimedia Commons Data related to Lamprocapnos at Wikispecies

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