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Montana Field Guide

Montana Field Guides

Southern Flax - Linum australe

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Annual. Stems erect, 10–40 cm, branched above, puberulent below. Leaves linear, 5–25 mm long with small, purple stipular glands. Inflorescence a panicle with erect branches; upper leaves and bracts awned and glandular-serrulate. Flowers yellow; sepals lanceolate, 4–7 mm long, glandulaar-serrulate; petals 5–9 mm long, pubescent at the base; styles 2–3 mm long, united to above middle. Capsule 3–5 mm long, splitting into 5 2-seeded segments (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Western Canada to MT, WY, UT, CO, NV, AZ, NM and TX.

Observations in Montana Natural Heritage Program Database
Number of Observations: 39

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



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


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Citation for data on this website:
Southern Flax — Linum australe.  Montana Field Guide.  .  Retrieved on , from