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Proboscidea louisiana (P. Miller) Thellung ssp. louisiana. Common name: Unicorn-plant, Devil's-claw, Cow Catcher. Phenology: Jun-Sep. Habitat: Disturbed areas, pastures. Distribution: Native of the US Great Plains south to sc. Mexico; populations eastwards are adventive.

ID notes: The curious fruits are unmistakable.

Origin/Endemic status: Native

Synonymy ⓘ: = Mo3; = n/a — Tat; = Proboscidea louisianica (Mill.) Thell. ssp. louisianica — NE, NY, Bretting & Nilsson (1988), orthographic variant; < Martynia louisiana Mill. — S; < Proboscidea louisiana (Mill.) Thell. — C, G, Mex, Mi; < Proboscidea louisianica (Mill.) Thell. — Ar, F, Fl6, GrPl, GW2, Il, K4, NcTx, Pa, RAB, Tn, Tx, WH3, WV, Thieret (1977), orthographic variant. Basionym: Martynia louisiana Mill. 1768

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (name change)
  • Eastern Mountains and Piedmont: FACU (name change)
  • Great Plains: FACU (name change)
  • Midwest: FAC (name change)
  • Northcentral & Northeast: FAC (name change)

Heliophily ⓘ: 8

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image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

No horticultural data found for this taxon.