Nineleaf Biscuitroot

Lomatium triternatum

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Lomatium
Species:
Lomatium triternatum
USDA Symbol:
LOTR2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Depressaria betina, Depressaria togata, Greya subalba, Anise Swallowtail (Papilio zelicaon), Indra swallowtail (Papilio indra)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds, small mammals
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from deep taproot following fire. Common in fire-adapted grassland and sagebrush steppe communities.

Soil Requirements

Soil Type:
well-drained sandy or rocky soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny locations

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Seeds require cold stratification. Surface sow or barely cover; light may aid germination.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds require extended cold, moist stratification. Soak seeds in water for 24 hours, then place in a germinator at 4°C (39.2°F) in the dark for a 60-day prechill. Alternatively, seeds can be sown in containers in November and left outside under cool, fluctuating spring temperatures.

Establishment: Above ground growth is slow as the plants expend energy developing a substantial taproot. Plants grow in early spring and go dormant in mid-summer. In the first year, most plants will only produce a few leaves. Seed collection varies, with some protocols suggesting collection in late June or early July, and others suggesting July or August. Seed ripening is uniform within each individual umbel, but less so between umbels on the same or different plants.

Source: npn.rngr.net