Lomatium triternatum
Apiaceae
Nine-Leaf Lomatium
Upright. Stems prominent, hairless. Stems and leaves green to gray. Basal leaves with petioles 3–8 in. long, pinnately dissected 1–3 times, forming long, linear to lance-shaped, toothless leaflets covered with fine hairs. Flower stems long, mostly leafless, 1–4 in. stalks unequal, spreading to erect, topped with thread-like bractlets sustaining compact bundles of yellow flowers in loose flat umbels. Grows on open or sagebrush slopes, ridges, pine woodlands in vernal-wet spots, often in serpentine areas.
- Rarity: Common
- Flowering Time: Mid Spring
- Flower Form: 5 tiny petals fls. in umbel (parsley famly)
- Life Cycle: Perennial
- Height: 6–30 inches
- Habitat: East-side Forest, Meadow, Shrub-Steppe, Subalpine, Vernal Wet, West-side Forest
- Found In: East Gorge, Great Basin, Mt. Rainier NP, Olympic NP, Siskiyous, West Gorge
- Native: Yes
- Also Known As: Lewis's Lomatium
