Collomia grandiflora

Taxonavigation

Taxonavigation: Ericales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Ordo: Ericales

Collomia grandiflora Douglas ex Lindl., Bot. Reg. 14: t. 1174 (1828).

Homotypic
- Gilia grandiflora (Douglas ex Lindl.) A.Gray, Proc. Amer. Acad. Arts 17: 223 (1882), nom. illeg.
Heterotypic
- Collomia grandiflora var. tenuiflora Benth. in A.P.de Candolle, Prodr. 9: 308 (1845).
  - Collomia grandiflora f. tenuiflora (Benth.) Wherry, Amer. Midl. Naturalist 31: 223 (1944).
- Collomia grandiflora var. cryptantha Regel, Index Seminum (LE, Petropolitanus) 1868(Suppl.): 15 (1869 publ. 1870).
  - Collomia grandiflora var. cryptantha A.Gray, Proc. Amer. Acad. Arts 8: 259 (1870).
  - Collomia grandiflora f. cryptantha (Regel) Wherry, Amer. Midl. Naturalist 31: 223 (1944).
- Gilia grandiflora var. diffusa Mulford, Bot. Gaz. 19: 120 (1894).
  - Collomia grandiflora subsp. diffusa (Mulford) Piper, Contr. U.S. Natl. Herb. 11: 465 (1906).
  - Collomia grandiflora f. diffusa (Mulford) Wherry, Amer. Midl. Naturalist 31: 223 (1944).
- Collomia scabra Greene, Leafl. Bot. Observ. Crit. 2: 88 (1910).
  - Collomia grandiflora f. scabra (Greene) Wherry, Amer. Midl. Naturalist 31: 226 (1944).
- Collomia grandiflora var. axillaris A.Nelson, Bot. Gaz. 52: 270 (1911).
  - Gilia grandiflora var. axillaris A.Nelson & J.F.Macbr., Contr. Gray Herb. 56: 57 (1918).
  - Collomia grandiflora f. axillaris (A.Nelson) Wherry, Amer. Midl. Naturalist 31: 223 (1944).
- Collomia grandiflora proles europaea P.Fourn., Quatre Fl. France: 730 (1937), nom. inval.

Native distribution areas:

Continental: Europe (introduced)
- Regional: Middle Europe
  - Czechia-Slovakia, Germany.
- Regional: Southwestern Europe
  - France.
Continental: Australasia
- Regional: Australia
  - Tasmania (introduced).
Continental: Northern America
- Regional: Western Canada
  - British Columbia.
- Regional: Northwestern U.S.A.
  - Colorado, Idaho, Montana, Oregon, Washington, Wyoming.
- Regional: Southwestern U.S.A.
  - Arizona, California, Nevada, Utah.
Continental: Southern America
- Regional: Southern South America
  - Argentina South (introduced).

Zuloaga, F.O., Morrone, O., Belgrano, M.J., Marticorena, C.F.S. & Marchesi, E. (eds.) 2008. Catálogo de las Plantas Vasculares del Cono Sur (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay). Monographs in Systematic Botany from the Missouri Botanical Garden 107(1): i–xcvi, 1–983; 107(2): i–xx, 985–2286; 107(3): i–xxi, 2287–3348. ISBN 978-1-930723-70-2 ResearchGate (Vol. 2, Asteraceae); ResearchGate (Vol. 2, pp. 1581–1627, Bignoniaceae) . Reference page.

Govaerts, R. et al. 2026. Collomia grandiflora in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 February 19. Reference page.
International Plant Names Index. 2026. Collomia grandiflora. Published online. Accessed: February 19 2026. Reference page.