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Montana Field Guide

Montana Field Guides

Corn-gromwell - Lithospermum arvense
Other Names:  Field Gromwell, Bastard Alkanet, Buglossoides arvensis

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Taprooted annual. Stems erect, 10–70 cm, usually branched. Herbage strigose. Leaves linear-oblong, 2–5 cm long, the lowest withered at flowering. Inflorescence becoming open; pedicels short. Flowers: calyx 4–5 mm long; corolla white, sometimes bluish, 5–8 mm long with longitudinal lines of hair within the tube, 3–4 mm across the limb; fornices absent; style included. Nutlets 2.5–4 mm long, rugose; scar umrimmed (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced throughout most of temperate North America; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 65

(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
Disturbed soil of grasslands, fields, roadsides; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Corn-gromwell — Lithospermum arvense.  Montana Field Guide.  .  Retrieved on , from