Dichelostemma

Dichelostemma is a genus of North American plants closely related to the genus Brodiaea and sometimes regarded as part of that group.[4][5]

Dichelostemma
Dichelostemma volubile
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Brodiaeoideae
Genus: Dichelostemma
Kunth[1]
Type species
Dichelostemma congestum
Synonyms[2][3]
  • Brodiaea subg. Dichelostemma (Kunth) Eastw.
  • Stropholirion Torr.
  • Rupalleya Morière
  • Brevoortia Alph.Wood
  • Macroscapa Kellogg ex Curran
  • Dipterostemon Rydb.

Dichelostemma is classified in the cluster-lily subfamily within the asparagus family.[6] in the latest Angiosperm Phylogeny Group classification (2009).[7] Older sources often placed it in the lily family; earlier versions of the APG classifications used the family Themidaceae.

The genus is native to the North America, especially in northern California, but also east to New Mexico and north to British Columbia and south into northwestern Mexico.[4][8]

These plants grow from perennial corms that produce a raceme or umbel-like inflorescence. The flowers are bell- or tube-shaped and produce capsules with black seeds. The name, from the Greek for "toothed crown", refers to the stamen appendages.

Diversity
Species[3][8][9]
ImageScientific nameCommon NameDistribution
Dichelostemma congestum (Sm.) Kunthookow or fork-toothed ookow.Canada (BC), United States (WA OR CA)
Dichelostemma ida-maia (Alph.Wood) Greenefirecracker flowerUnited States (CA OR)
Dichelostemma multiflorum (Benth.) A.Hellerround-tooth snake-lily, many-flower brodiaea and wild hyacinthUnited States (CA OR)
Dichelostemma volubile (Kellogg) A.Hellertwining snakelily and twining brodiaea.United States (CA OR)

Dichelostemma capitatum (Benth.) Alph.Wood – blue dicks – has been moved to Dipterostemon capitatus.[10][11]

Cultivars
  • Dichelostemma 'Pink Diamond' - probably D. ida-maia × D. congestum (sometimes called Dichelostemma congestum).

References
Wikimedia Commons has media related to Dichelostemma.
  1. Kunth, Karl Sigismund. 1843. Enumeratio Plantarum Omnium Hucusque Cognitarum 4: 469–470 in Latin
  2. Tropicos, Dichelostemma Kunth
  3. Kew World Checklist of Selected Plant Families
  4. Flora of North America, Vol. 26 Page 328 Dichelostemma Kunth, Enum. Pl. 4: 469. 1843.
  5. Jepson treatment
  6. Stevens, P.F., Angiosperm Phylogeny Website: Asparagales: Brodiaeoideae
  7. Chase, Mark W. & Reveal, James L. (2009), "A phylogenetic classification of the land plants to accompany APG III", Botanical Journal of the Linnean Society, 161 (2): 122–127, doi:10.1111/j.1095-8339.2009.01002.x
  8. Biota of North America Program 2013 county distribution maps
  9. The Plant List search for Dichelostemma
  10. "Dichelostemma capitatum (Benth.) Alph. Wood". Jepson Flora Project: Jepson Interchange for California Floristics. University of California. Retrieved 2021-04-23.
  11. "Dipterostemon capitatus (Benth.) Rydb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-04-23.
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