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Not to be confused with Dahlia, in family Asteraceae
White prairie clover flower dalea candida stem with the bottom flowering white and the top green.jpg
Dalea candida
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Amorpheae[1]
Genus: Dalea

182–219; see text.

  • Kuhnistera Lam.
  • Parosela Cav.
  • Petalostemon Michx.
  • Thornbera Rydb.

Dalea is a genus of flowering plants in the legume family, Fabaceae. Members of the genus are commonly known as prairie clover[3] or indigo bush.[4] Its name honors English apothecary Samuel Dale (1659–1739).[5] They are native to the New World, where they are distributed from Canada to Argentina.[6] Nearly half of the known species are endemic to Mexico.[7] Two species of Dalea (Dalea ornata and Dalea searlsiae) have been considered for rangeland restoration.[8]


Dalea comprises the following species:[3][9][10][11]

Species names with uncertain taxonomic status[edit]

The status of the following species is unresolved:[11]

  • Dalea acutiflora Steud.
  • Dalea analiliana Spellenb.
  • Dalea austrotexana B.L.Turner
  • Dalea barbata (Oerst.) Aymard
  • Dalea ceciliana B.L.Turner
  • Dalea diversicolor Rydb.
  • Dalea enneandra Nutt.
  • Dalea filiciformis B.L. Rob. & Greenm.
  • Dalea flavescens (S. Watson) S.L. Welsh ex Barneby
  • Dalea flavorosea Moc. & Sessé ex DC.
  • Dalea goldmani (Rose) L.Riley
  • Dalea gymnocodon Barneby
  • Dalea holwayi Rose
  • Dalea humboldtiana Velarde
  • Dalea hypoglottidea DC.
  • Dalea lachnantha S.Schauer
  • Dalea lachnostachya A.Gray
  • Dalea lagopoda St.-Lag.
  • Dalea lateripes Moc. & Sessé ex DC.
  • Dalea longipes Moc. & Sessé ex DC.
  • Dalea lumholtzii B.L. Rob. & Fernald
  • Dalea lutescens Cervantes ex G. Don
  • Dalea megalostachya (Rose) Wiggins
  • Dalea melilotoides Moc. & Sessé ex DC.
  • Dalea moricandi D. Dietr.
  • Dalea mota Gentry
  • Dalea multifoliata Phil.f.
  • Dalea nelsonii (Rydb.) Barneby
  • Dalea pendulina Moc. & Sessé ex DC.
  • Dalea polyadenia F. Heller
  • Dalea scopa Barneby
  • Dalea seleriana Harms
  • Dalea unguicularis Moc. & Sessé ex DC.
  • Dalea unifoliolata C.B.Rob. & Greenm.
  • Dalea vernica (Rose) Greenm.
  • Dalea watsonii (Rose) Gentry
  • Dalea whitingi Kearney & Peebles



  1. ^ Cardoso D; Pennington RT; de Queiroz LP; Boatwright JS; Van Wyk B-E; Wojciechowski MF; Lavin M. (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001. 
  2. ^ a b "Genus: Dalea L.". Germplasm Resources Information Network. United States Department of Agriculture. 5 October 2007. Retrieved 26 October 2010. 
  3. ^ a b "Dalea". Integrated Taxonomic Information System. Retrieved 26 October 2010. 
  4. ^ Bailey LH; Bailey EZ; the staff of the Liberty Hyde Bailey Hortorium (1976). Hortus third: A concise dictionary of plants cultivated in the United States and Canada. New York, NY: Macmillan. ISBN 978-0-02-505470-7. 
  5. ^ Holloway JE; Neill A. (2005). A Dictionary of Common Wildflowers of Texas & the Southern Great Plains. Fort Worth, Texas: TCU Press. p. 51. ISBN 978-0-87565-309-9. 
  6. ^ Woods M; Hughes WS. (2013). "The genus Dalea in Alabama" (PDF). Phytoneuron. 2013 (30): 1–12. ISSN 2153-733X. 
  7. ^ a b Estrada-Castillón AE; Villarreal-Quintanilla JA. (2008). "A new species of Dalea sect. Parosela (Leguminosae: Papilionoideae: Amorpheae) from Durango, Mexico". Brittonia. 60 (4): 332–35. doi:10.1007/s12228-008-9039-7. 
  8. ^ Cane JH; Weber M; Miller S. (2012). "Breeding biologies, pollinators, and seed beetles of two prairie-clovers, Dalea ornata and Dalea searlsiae (Fabaceae: Amorpheae), from the Intermountain West, USA" (PDF). West N Am Naturalist. 72 (1): 16–20. doi:10.3398/064.072.0102. 
  9. ^ "ILDIS LegumeWeb entry for Dalea". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 7 July 2014. 
  10. ^ USDA; ARS; National Genetic Resources Program. "GRIN species records of Dalea". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 7 July 2014. 
  11. ^ a b "The Plant List entry for Dalea". The Plant List. Royal Botanic Gardens, Kew and the Missouri Botanical Garden. 2013. Retrieved 7 July 2014. 
  12. ^ Turner BL. (2006). "Dalea austrotexana (Fabaceae), a new species from southernmost Texas" (PDF). Phytologia. 88 (3): 288–93. 
  13. ^ Turner BL. (2010). "A new species of Dalea (Fabaceae) from southernmost Texas" (PDF). Phytoneuron. 2010 (50): 1–5. ISSN 2153-733X. 
  14. ^ It has been proposed that Dalea filiciformis be transferred to the genus Marina. See McMahon M; Hufford L. (2004). "Phylogeny of Amorpheae (Fabaceae: Papilionoideae)". Am J Bot. 91 (8): 1219–1230. doi:10.3732/ajb.91.8.1219.  and Cardoso et al. 2013.

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