Taxon:  Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich



Summary
Genus:
Lathyrus
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Fabeae
Nomen number:
464161
Place of publication:
Phytologia 91:566.  2009
Verified:
12/21/2011 ARS Systematic Botanists.
Accessions:
4 (0  active, 0  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Lathyrus decaphyllus Pursh (1 active accession[s])
Lathyrus decaphyllus Pursh var. decaphyllus (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Lathyrus ornatus Nutt. var. incanus J. G. Sm. & Rydb.

Homotypic Synonym(s)
Lathyrus incanus (J. G. Sm. & Rydb.) Rydb.
Lathyrus polymorphus Nutt. subsp. incanus (J. G. Sm. & Rydb.) C. L. Hitchc.
Lathyrus stipulaceus (Pursh) Butters & H. St. John var. incanus (J. G. Sm. & Rydb.) Butters & H. St. John

No images


Conservation Status

Reference(s)
  1. Broich, S. L. 2009. A new combination in North American Lathyrus. Phytologia 91:566-567.
  2. Kaul, R. B. et al. 2006. The flora of Nebraska. Note: = Lathyrus polymorphus
  3. Maxted, N. 2012. Review of Fabaceae Cicereae, Fabeae (Vicieae) data for World Economic Plants, ed. 2. pers. comm. via e-mail on 24 Jan. Note: = Lathyrus incanus (J. G.Sm. & Rydb.) Rydb.
Common names
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeNorthern AmericaNorth-Central U.S.A.United StatesNebraskaw.Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) Note: treats as Lathyrus polymorphus var. incanus (J. G. Sm. & Rydb.) Dorn
1NativeNorthern AmericaNorthwestern U.S.A.United StatesColoradoe.Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) Note: treats as Lathyrus polymorphus var. incanus (J. G. Sm. & Rydb.) Dorn
1NativeNorthern AmericaSouth-Central U.S.A.United StatesTexas Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) Note: treats as Lathyrus polymorphus var. incanus (J. G. Sm. & Rydb.) Dorn
Native
Northern America
  • NORTH-CENTRAL U.S.A.: United States [Nebraska (w.)]
  • NORTHWESTERN U.S.A.: United States [Colorado (e.)]
  • SOUTH-CENTRAL U.S.A.: United States [Texas]

Reference(s)
  1. Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii) Note: treats as Lathyrus polymorphus var. incanus (J. G. Sm. & Rydb.) Dorn
Economic Uses
UsageTypeNoteReference
Vertebrate poisonsmammals Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. Note: as Lathyrus incanus
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=464161. Accessed 12 May 2026.