GRIP

GRIP



Taxon:  Houstonia caerulea L.



Summary
Genus:
Houstonia
Family:
Rubiaceae
Subfamily:
Rubioideae
Tribe:
Spermacoceae
Nomen number:
19379
Place of publication:
Sp. pl. 1:105. 1753
Verified:
08/14/2008 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in National Plant Germplasm System. 
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Homotypic Synonym(s)
Hedyotis caerulea (L.) Hook.

No images


Reference(s)
  1. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) www.skud.info
  2. Andersson, L. et al. 2002. Relationships, circumscription, and biogeography of Arcytophyllum (Rubiaceae) based on evidence from cpDNA. Brittonia 54:40-49.
  3. Church, S. A. & D. R. Taylor. 2005. Speciation and hybridization among Houstonia (Rubiaceae) species: the influence of polyploidy on reticulate evolution. Amer. J. Bot. 92:1372-1380.
  4. Church, S. A. 2003. Molecular phylogenetics of Houstonia (Rubiaceae): descending aneuploidy and breeding system evolution in the radiation of the linage across North America. Molec. Phylogenet. Evol. 27:223-228.
  5. Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage
  6. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
  7. Jones, G. N. & G. D. Fuller. 1955. Vascular plants of Illinois.
  8. Terrell, E. E. 1996. Revision of Houstonia (Rubiaceae-Hedyotideae). Syst. Bot. Monogr. 48:23.
  9. Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
Common names
English
bluets –
Quaker-ladies –
Swedish
porslinsstjärna –
Distribution
order_codeStatusContinentSubcontinentCountryStateNote
1NativeNorthern AmericaEastern CanadaCanadaNova Scotia 
1NativeNorthern AmericaEastern CanadaCanadaOntarios.
1NativeNorthern AmericaEastern CanadaCanadaQuébecs.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesIllinois 
1NativeNorthern AmericaNorth-Central U.S.A.United StatesIowae.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesMissouris.e.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesWisconsin 
1NativeNorthern AmericaNortheastern U.S.A.United StatesConnecticut 
1NativeNorthern AmericaNortheastern U.S.A.United StatesIndiana 
1NativeNorthern AmericaNortheastern U.S.A.United StatesMaine 
1NativeNorthern AmericaNortheastern U.S.A.United StatesMassachusetts 
1NativeNorthern AmericaNortheastern U.S.A.United StatesMichigans.
1NativeNorthern AmericaNortheastern U.S.A.United StatesNew Hampshire 
1NativeNorthern AmericaNortheastern U.S.A.United StatesNew Jersey 
1NativeNorthern AmericaNortheastern U.S.A.United StatesNew York 
1NativeNorthern AmericaNortheastern U.S.A.United StatesOhio 
1NativeNorthern AmericaNortheastern U.S.A.United StatesPennsylvania 
1NativeNorthern AmericaNortheastern U.S.A.United StatesRhode Island 
1NativeNorthern AmericaNortheastern U.S.A.United StatesVermont 
1NativeNorthern AmericaNortheastern U.S.A.United StatesWest Virginia 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesAlabama 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesArkansas 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesDelaware 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesGeorgia 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesKentucky 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesLouisianan.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesMaryland 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesMississippin.e.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesNorth Carolina 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesSouth Carolina 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesTennessee 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesVirginia 
2Cultivated    also cult.
Native
Northern America
  • EASTERN CANADA: Canada [Nova Scotia, Ontario (s.), Québec (s.)]
  • NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan (s.), New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
  • NORTH-CENTRAL U.S.A.: United States [Iowa (e.), Missouri (s.e.), Illinois, Wisconsin]
  • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Georgia, Kentucky, Louisiana (n.), Maryland, Mississippi (n.e.), North Carolina, South Carolina, Tennessee, Virginia]
Cultivated (also cult.)
Economic Uses
UsageTypeNoteReference
Environmentalornamental Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Environmentalornamental Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grip.mawarid.gov.om/gringlobal/taxon/taxonomydetail?id=19379. Accessed 29 May 2025.