Narrow-leaved Gentian

Narrow-leaved Gentian

Gentiana linearis

Plant Type
Forb (Deciduous)
Landscape Layer
Herb
Sun
☀️ Full Sun, ⛅ Part Sun
Moisture
💧 Regular, 💧💧 High
Soil
Loam, Sand, Silt, Rocky / Acidic, Organic / Peat
Bloom
July, August, September

Pollinator Value

❄️ Winter Food Source
Seeds consumed at genus level by Lapland Longspur (Calcariidae) and White-tailed Ptarmigan (Phasianidae). Capsules may persist into early winter providing a minor seed resource for ground-foraging birds.

S57

Ecology & Conservation

Proximity Score
0
Native Status
✅ Outaouais ❌ Ottawa ✅ QC ✅ ON
Closest Direction
Local
CEC Eco-Regions
5 – Northern Forests, 5.2 – Mixed Wood Shield, 5.2.3 – Algonquin/Southern Laurentians
Rarity Notes
Globally ranked G4. Nationally N5 in Canada. Secure in Quebec (S5) and apparently secure in Ontario (S4). Not listed under SARA. Extirpated from New Jersey. A boreal species reaching its southern limit in the Appalachian mountains.

S22 S26 S6

Rarity Ranks
QC S5 – Secure, ON S4 – Apparently Secure
Migration
Stable
Ecological Context
A boreal-affinity perennial herb of open wetlands. Typical habitats include bogs, fens, wet meadows, shores, and floodplains on strongly acid soils. In the Outaouais, herbarium specimens document it in moist meadows, bog edges, and damp roadsides in the Laurentian Highlands, particularly around Nominingue and Parc Papineau-Labelle. Associates include Calamagrostis canadensis, Carex stricta, Myrica gale, Sphagnum spp., and Chamaedaphne calyculata.

S6 S7 S48 S61

Permaculture & Companion Planting

Roles
Fortress/Barrier, Pollinator Attractor

S73/S29/S72 Evidence: Fortress/Barrier: S61 keyword match: thorns? (supporting signal only)] | Pollinator Attractor: S73 [MEDIUM]: S68 4 bee associations (threshold=3)]

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

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Category
Tonic

S61 roots used to make a tonic

Notes
The Dakota and Winnebago peoples used the roots of narrow-leaved gentian to prepare a tonic. No records in Moerman NAEB database under this species name; the Go Botany ethnobotanical note is the sole documented reference.

S61 S28

Edibility & Foraging

Never ingest a plant unless you have 100% certainty of its identity and have consulted multiple reputable sources. The information provided in the Localeaf Plant Database is compiled from secondary sources for educational and historical purposes only.

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❌ Not Edible   

Seed Source

  • Trinkets and Thyme
Narrow-leaved Gentian