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Montana Field Guide

Montana Field Guides

Virgate Scorpion-weed - Phacelia heterophylla


Global Rank: G4G5
State Rank: S4

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

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General Description
Taprooted biennial or short-lived, monocarpic perennial. Stems erect, usually simple, 20–80 cm. Herbage hispid, hirsute. Leaves basal and cauline, prominently veiny; the blade 2–10 cm long, lanceolate to oblanceolate, entire; some lower leaves with 1 to 2 pairs of basal lobes. Inflorescence long, narrow, of compact, terminal and axillary cymes. Flowers: calyx hispid, glandular, 3–4 mm long; corolla campanulate, white to blue, 4–7 mm long, lobes 2–3 mm long; stamens pubescent, exserted; style exserted, deeply divided. Seeds ca. 2 (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
The distinction between this species and P. hastata is not clearcut.

Species Range
Present
 


Range Comments
BC, MT south to CA, AZ, NM and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 46

(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
Sparsely-vegetated soil of grasslands, sagebrush steppe, pine woodlands, roadsides; plains, 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:
Virgate Scorpion-weed — Phacelia heterophylla.  Montana Field Guide.  .  Retrieved on , from