Index / Search / Lomatium triternatum

§1 Plant

Lomatium triternatum (Pursh) J.M. Coult. & Rose

vernacular nineleaf biscuitroot — species · Apiaceae

USDA: LOTR2
GBIF: 3034264
Rank: species

nineleaf biscuitroot (Lomatium triternatum) — Platephotograph · Arial EathertonCC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb
Duration: Perennial
Group: Dicot
Family: Apiaceae Lindl.
Genus: Lomatium

§2a

Native status, by region

CAN Canada Native
L48 Lower 48 States Native

§2b

County-level range

· 164 counties across 8 states/territories

Legend Native · 164 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Low
Shade: Medium
Moisture use: Medium
Fire: Medium
Salinity: Low
Anaerobic: None
CaCO₃: Medium
Hedging: None

§3b

Climate & soil

Cold tolerance: -33 °F minimum
Frost-free days: 120 min.
Precipitation: 8–20 in/yr
pH range: 6.5–8.8
Root depth: 20 in min.
Fertility need: Low
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Single Crown
Growth rate: Moderate
Lifespan: Moderate
Mature height: 2.2 ft
Foliage texture: Fine
Foliage colour: Green
Porosity (summer): Porous
Porosity (winter): Porous
Flower colour: Yellow
Fruit colour: Brown
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Early Spring
Seed abundance: Medium
Seed begins: Spring
Seed ends: Spring
Spread rate: Slow
Stratify: Yes
Seeds / lb: 64
Propagation: seed

§3e

Use & availability

Commercial availability: Contracting Only
Nursery stock: No
Browse palatability: Low
Graze palatability: Medium
Palatable, human: Yes
Protein potential: Low
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 164 counties across 8 states/territories.

California view state ↗ 13 N ▾

Idaho view state ↗ 34 N ▾

Montana view state ↗ 36 N ▾

Nevada view state ↗ 2 N ▾

Oregon view state ↗ 32 N ▾

Utah view state ↗ 17 N ▾

Washington view state ↗ 26 N ▾

Wyoming view state ↗ 4 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/LOTR2 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3034264 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z