Papaver nudicaule
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Papaveraceae
Genus: Papaver
Species:
P. nudicaule
Binomial name
Papaver nudicaule
Synonyms[2][3]
List
  • Papaver macounii Greene, 1897
  • Papaver miyabeanum Tatewaki, 1935
  • P. f. amurense (N.Busch) H.Chuang, 1999

Papaver nudicaule, the Iceland poppy,[4] is a boreal flowering plant. Native to subpolar regions of Asia and North America, and the mountains of Central Asia as well as temperate China[5] (but not in Iceland), Iceland poppies are hardy but short-lived perennials, often grown as biennials. They yield large, papery, bowl-shaped, lightly fragrant flowers supported by hairy, 1 foot (30 cm) curved stems among feathery blue-green foliage 1–6 inches long. They were first described by botanists in 1759. The wild species blooms in white or yellow, and is hardy from USDA Zones 3a-10b.

The Latin specific epithet nudicaule means "with bare stems".[6]

Cultivars

Cultivars come in shades of yellow, orange, salmon, rose, pink, cream and white as well as bi-colored varieties. Seed strains include: 'Champagne Bubbles' (15-inch plants in orange, pink, scarlet, apricot, yellow, and creamy-white); 'Wonderland' (10-inch dwarf strain with flowers up to 4 inches wide); 'Flamenco' (pink shades, bordered white, 11⁄2 to 2 feet tall); 'Party Fun' (to 1 foot, said to bloom reliably the first year in autumn and the second spring); 'Illumination' and 'Meadow Pastels' (to 2 feet, perhaps the tallest strains); 'Matador' (scarlet flowers to 5 inches across on 16 inch plants); the perennial 'Victory Giants' with red petals and 'Oregon Rainbows', which has large selfed, bicolor, and picoteed flowers and is perhaps the best strain for the cool Pacific Northwest[7] (elsewhere this strain's buds frequently fail to open).

The dwarf Gartenzwerg group,[8] and the cultivars 'Solar Fire Orange'[9] and 'Summer Breeze Orange'[10] have all won the Royal Horticultural Society's Award of Garden Merit.[11]

Color variations
White
Orange
Red
Pink
Yellow
White is the dominant color, the others being recessive.

Cultivation

Bud capsule remains on a flower

The plants prefer light, well-drained soil and full sun. The plants are not hardy in hot weather, perishing within a season in hot summer climates.

Iceland poppies, like all poppies, possess exceedingly minute seeds and long taproots that resent disturbance. In cool summer climates on well-drained soils, Iceland poppies can live 2–3 seasons, flowering from early spring to fall.[12]

Iceland poppies are amongst the best poppies for cutting, as they last for several days in the vase.[13]

Genetics

The genetics of the garden forms of P. nudicaule have been studied, particularly with respect to flower colour.[14] The white flower colour is dominant with respect to yellow. Other colours, such as buff and orange, are recessive.

Toxicity

All parts of this plant are likely to be poisonous,[15] containing (like all poppies) toxic alkaloids. In particular, P. nudicaule has been shown to contain the benzophenanthidine alkaloid, chelidonine.[16] It also contains (+)-amurine, (-)-amurensinine, (-)-O-methylthalisopavine, (-)-flavinantine and (-)-amurensine.[17]

References

  1. ↑ Linne, Carl von (1753). Species Plantarum. Vol. 1. Holmiae :Impensis Laurentii Salvii. p. 507.
  2. ↑ "Papaver nudicaule - Flora of Pakistan". Efloras.org. Retrieved 2014-04-27.
  3. ↑ John H. Wiersema (2005-02-22). "Genus Papaver - GRIN taxonomy". Ars-grin.gov. Retrieved 2014-04-27.
  4. ↑ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  5. ↑ "Papaver nudicaule". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2014-04-27.
  6. ↑ Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 978-1845337315.
  7. ↑ Sunset Publishing (2001) Sunset Western Garden Book, ed. 7 (Sunset Books Incorporated: ISBN 0-376-03874-8)
  8. ↑ "RHS Plantfinder - Papaver nudicaule Gartenzwerg Group". Retrieved 14 April 2018.
  9. ↑ "RHS Plantfinder - Papaver nudicaule 'Solar Fire Orange'". Retrieved 14 April 2018.
  10. ↑ "Papaver nudicaule 'Summer Breeze Orange'". RHS. Retrieved 18 January 2021.
  11. ↑ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 71. Retrieved 17 April 2018.
  12. ↑ Armitage, Allan M. (2001) Armitage’s Manual of Annuals, Biennials, and Half-Hardy Perennials (Timber Press; ISBN 0-88192-505-5)
  13. ↑ "Poppy Primer". Floret Flowers. 2019-12-10. Retrieved 2020-09-04.
  14. ↑ Fabergé, A.C. (1942) Genetics of the scapiflora section of Papaver 1. The Garden Iceland Poppy. Journal of Genetics 44: 169-193.
  15. ↑ Kingsbury, J. M. (1964) Poisonous plants of the United States and Canada. Prentice-Hall Inc., Englewood Cliffs, N.J., USA. pp. 626
  16. ↑ Zhang, Y., Pan, H., Chen, S., Meng, Y., Kang, S. (1997). [Minor alkaloids from the capsule of Papaver nudicaule L.] Zhongguo Zhong Yao Za Zhi 22: 550-1, 576. In Chinese.
  17. ↑ Philipov, S; Istatkova, R; Yadamsurenghiin, GO; Samdan, J; Dangaa, S (2007). "A new 8,14-dihydropromorphinane alkaloid from Papaver nudicaule L". Natural Product Research. 21 (9): 852–6. doi:10.1080/14786410701494777. PMID 17763104. S2CID 8609245.
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