Dogtooth_violet

<i>Erythronium</i>

Erythronium

Genus of flowering plants

For the chemical element formerly named erythronium, see vanadium.

Erythronium, the fawn lily, trout lily, dog's-tooth violet or adder's tongue, is a genus of Eurasian and North American plants in the lily family,[2][3][4][5][6] most closely related to tulips.[7] The name Erythronium derives from Ancient Greek ἐρυθρός (eruthrós) "red" in Greek, referring to the red flowers of E. dens-canis.[7] Of all the established species, most live in North America; only six species are found in Europe and Asia.

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Species

Erythronium includes about 20–30 species of hardy spring-flowering perennial plants with long, tooth-like bulbs. Slender stems carry pendent flowers with recurved tepals in shades of cream, yellow, pink and mauve. Species are native to forests and meadows in temperate regions of the Northern Hemisphere.[1][8][9]

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Formerly included

Two species names were coined using the name Erythronium but have since been reclassified to other taxa.

Cultivation and uses

Erythroniums are widely grown as ornamental plants, with numerous hybrids and cultivars having been selected for garden use. Popular cultivars include Erythronium 'Pagoda', E. 'Sundisc', E. 'Joanna', E. 'Kondo', E. 'Citronella', E. californicum 'White Beauty', and E. 'Rosalind'. Propagation is best by seed in autumn or by division of bulbs, depending on species. Some species propagate vegetatively. The plant is also great as a ground cover, as it will spread over several years.

The following cultivars, of mixed ancestry, have won the Royal Horticultural Society's Award of Garden Merit:

  • 'Apple Blossom' [10] (white with yellow centre)
  • 'Janice' [11] (pink)
  • 'Joanna' [12] (cream/pale yellow throat)
  • 'Pagoda' [13] (cream yellow)
  • 'Sundisc'[14] (yellow)
  • 'Wildside Seedling' [15] (white/yellow)

The bulb is edible as a root vegetable, cooked or dried, and can be ground into flour. The leaves can also be cooked as a leaf vegetable. In Japan, Erythronium japonicum is called katakuri, and the bulb is processed to produce starch, which is used for food and other purposes.

See also

References

  1. [1]
    "Erythronium". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. [2]
    Hickman, James C., ed. (1993). "Erythronium". The Jepson Manual: Higher Plants of California. University and Jepson Herbaria.
  3. [3]
    Chen, Xinqi; Tamura, Minoru N. "Erythronium". Flora of China. Vol. 24 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. [4]
    "Dente di cane, Dog's Tooth Violet, genere Erythronium". Altervista Flora Italiana.
  5. [5]
    Clennett, J.C.B. (2006). A taxonomic revision of Erythronium L. (Liliaceae): 1-290. Thesis, Open University, Ardingly, U.K.
  6. [6]
    Clennett, C. (2014). The genus Erythronium: 1-158. Kew Publishing, Kew.
  7. [7]
    Allen, Geraldine A.; Robertson, Kenneth R. (2002). "Erythronium". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 26. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  8. [8]
    RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1-4053-3296-5.
  9. [9]
    "Erythronium". County-level distribution maps from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  10. [10]
    "Erythronium 'Apple Blossom'". RHS. Retrieved 18 June 2020.
  11. [11]
    "Erythronium 'Janice'". RHS. Retrieved 18 June 2020.
  12. [12]
    "Erythronium 'Joanna'". RHS. Retrieved 18 June 2020.
  13. [13]
    "Erythronium 'Pagoda'". RHS. Retrieved 18 June 2020.
  14. [14]
    "Erythronium 'Sundisc'". RHS. Retrieved 18 June 2020.
  15. [15]
    "Erythronium 'Wildside Seedling'". RHS. Retrieved 18 June 2020.

Bibliography

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