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Montana Field Guides

Thyme-leaf Dragon-head - Dracocephalum thymiflorum
Other Names:  Moldavica thymiflora

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Annual. Stems erect, 20–50 cm, simple or few-branched below, puberulent. Leaf blades lanceolate, serrate, 1–2 cm long, glabrous above, pubescent below. Inflorescence interrupted, 5–20 cm long. Flowers: calyx purple, pubescent, 5–8 mm long, teeth 1–2 mm long, awn-tipped, the upper wider; corolla blue, 6–9 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Non-native
 


Range Comments
Sparingly introduced from Eurasia to much of northern U.S. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 14

(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

Management

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?
    • 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.
  • Web Search Engines for Articles on "Thyme-leaf Dragon-head"
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Citation for data on this website:
Thyme-leaf Dragon-head — Dracocephalum thymiflorum.  Montana Field Guide.  .  Retrieved on , from