Columbia lily

Scientific name: Lilium columbianum

Verified common names: Columbia lily, Columbia tiger lily

Family: Liliaceae

Genus: Lilium

Taxonomic notes: A member of the true lilies (Lilium), closely related to other North American orange and red-flowered lilies within the genus.

Overall form: A perennial, bulb-forming herb with an erect flowering stem that typically bears a cluster or raceme of nodding, showy flowers. Plants arise from scaly underground bulbs and persist year to year.

Flower characteristics: Flowers generally have six tepals (often strongly reflexed, producing a "turk’s-cap" appearance) and six prominent stamens. Color is typically orange to reddish-orange with darker spots or freckling toward the throat. Flowers are usually nodding or pendant and may occur in loose clusters along the upper stem.

Leaf structure and arrangement: Leaves are typically lanceolate and may be borne in several whorls or alternately along the stem, forming leafy sections beneath the inflorescence. Lower leaves may be reduced or absent during flowering.

Distinctive features: Bright orange, spotted, reflexed (turk’s-cap) flowers combined with a scaly bulb and whorled leaves distinguish this species from many other woodland wildflowers. The pendant, spotted blooms are a reliable field character.

Seasonal variation: Leaves die back after the growing season; flowering generally occurs in the warm season (summer) when plants produce their conspicuous blooms.

Growing conditions and ecosystems: Typically found in open forests, forest edges, meadows, grassy slopes, and similar habitats where light ranges from partial shade to sun. Often associated with well-drained soils and sites that retain moderate moisture during the growing season.

Moisture, light, soil preferences: Often prefers moderate moisture and well-drained substrates; tolerates a range from semi-shaded woodland openings to sunnier meadows.

Geographic distribution: Native to the Pacific Northwest of the United States, commonly reported from California, Idaho, Montana, Oregon, and Washington.

Pollination: The nodding, nectar-producing flowers are attractive to nectar feeders; they may attract hummingbirds and a variety of insect visitors, providing nectar and pollen resources.

Wildlife interactions: Flowers and nectar contribute to local pollinator networks; bulbs and foliage may be part of herbivore food webs in some habitats.

Ecological niche: Functions as a summer-blooming, bulbous wildflower in montane and lowland plant communities of the Pacific Northwest, adding visual and ecological diversity to meadow and open-forest understories.

Toxicity: Members of the genus Lilium are well documented to be highly toxic to domestic cats; ingestion of any part of the plant (including pollen) can cause acute kidney injury. General edible or medicinal uses are not provided here unless specifically documented.

Conservation: Regional conservation status can vary; populations are influenced by habitat change and land management practices.

Interesting facts and adaptations: The strongly reflexed (turk’s-cap) flower form exposes reproductive parts for efficient contact with pollinators, and the scaly bulb is an adaptation for seasonal survival and regrowth. The vibrant spotted orange flowers make Lilium columbianum one of the more conspicuous native lilies in the Pacific Northwest.