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Montana Field Guide

Montana Field Guides

American Dragonhead - Dracocephalum parviflorum

Native Species

Global Rank: G5
State Rank: S4S5
C-value: 3


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Usually biennial or short-lived, monocarpic perennial. Stems erect, 15–80 cm, simple or branched. Herbage puberulent. Leaf blades lanceolate to narrowly ovate, strongly serrate, spinescent, 25–60 mm long. Inflorescence crowded, 2–10 cm long; flowers partly hidden by ciliate, subulate-lobed bracts. Flowers: calyx sparsely hirsute, reticulate-veined, 10–14 mm long, teeth and tube ca. equal; corolla villous, purple, 2–3 mm longer than the calyx (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
AK to NL south to OR, NM, NE, WI and NY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 84

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Forests following fire and along streams, roads, trails; valleys, montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 pp.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
  • Web Search Engines for Articles on "American Dragonhead"
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Citation for data on this website:
American Dragonhead — Dracocephalum parviflorum.  Montana Field Guide.  .  Retrieved on , from