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Montana Field Guide

Montana Field Guides

American Dragonhead - Dracocephalum parviflorum


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

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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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 9

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
American Dragonhead — Dracocephalum parviflorum.  Montana Field Guide.  .  Retrieved on , from