# Pacific trillium (*Trillium ovatum*) The Pacific trillium is a beautiful flower that grows in the woods. It has three white petals that can turn pink as they age, making it look like a little star in the forest! - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 37 - **Habitat:** Forests - **Also known as:** Western trillium ![Pacific trillium](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Trillium_ovatum_1290.JPG&width=800) Photo: Walter Siegmund (talk), CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Trillium_ovatum_1290.JPG) ## Appearance The Pacific trillium has a single, striking white flower with three broad, ovate petals that deepen to pink or purplish with age. It stands atop a whorl of three large, emerald green leaves, creating a symmetrical display. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Liliopsida - **Order:** Liliales - **Family:** Melanthiaceae - **Genus:** Trillium ## Interesting facts - A Pacific trillium can take up to seven years to bloom its very first flower! - Everything about this plant comes in threes: three leaves, three petals, and three sepals! - Native Americans used its roots for medicine, earning it the nickname 'birthroot'. - Picking a trillium flower can kill the entire plant because its leaves are essential! ## Special abilities - **Ant Delivery Service:** Pacific trillium has special seed attachments called elaiosomes that ants carry, helping the plant spread its seeds far and wide. - **Age-Telling Petals:** Pacific trillium's white petals slowly turn pink or purple as the flower ages, showing its maturity to the world. - **Perennial Powerhouse:** Pacific trillium can live for many decades thanks to its underground rhizome, storing energy to bloom year after year. ## Measurements & details - **Height:** 20-50 cm - **Spread:** 20-40 cm - **Flower Size:** 3-7 cm - **Bloom Season:** Spring to early summer (March-July) - **Edible:** No - **Toxicity:** Mild - **Lifecycle:** Perennial - **Pollination Method:** Insect ## Ecological connections - **Depends on:** Silky ant (*Formica fusca*) — Carries trillium seeds to their nests, aiding dispersal. - **Eats:** [Mule deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Browses on the leaves and flowers of the trillium plant. - **Pollinates:** Little house fly (*Fannia canicularis*) — Visits the flowers and helps transfer pollen for reproduction. ## Traits - [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons. - [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle. - [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight. - [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth. - [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense. - [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms. - [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life. - [Threatened](https://www.snappit.app/explore/traits/threatened): Threatened status denotes a species likely to become endangered in the foreseeable future without effective conservation interventions. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) ## Safety **Danger:** 1/5 · Very low Do not pick the flowers; they are best enjoyed in nature! ## Frequently Asked Questions ### How to identify Pacific trillium? Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details. ### How tall is Pacific trillium? 20-50 cm ### How wide does Pacific trillium spread? 20-40 cm ### How big are the flowers on Pacific trillium? 3-7 cm ### When does Pacific trillium bloom? Spring to early summer (March-July) ### Is Pacific trillium edible? No ### Is Pacific trillium toxic? Mild ### What is Pacific trillium's lifecycle? Perennial ## Where to spot - [Marymoor Park](https://www.snappit.app/guides/places/marymoor-park) — Washington, US · Nature Reserve - [Pioneer Square](https://www.snappit.app/guides/places/pioneer-square) — Washington, US · Neighborhood - [Illahee State Park](https://www.snappit.app/guides/places/illahee-state-park) — Washington, US · State Park - [Arcata Community Forest](https://www.snappit.app/guides/places/arcata-community-forest) — California, US · Forest - [Audubon Canyon](https://www.snappit.app/guides/places/audubon-canyon) — California, US · Nature Reserve - [Azalea State Natural Reserve](https://www.snappit.app/guides/places/azalea-state-natural-reserve) — California, US · State Park [View all places to see Pacific trillium](https://www.snappit.app/guides/where-to-see/pacific-trillium) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [Pacific trillium: Facts & Places to See — Snappit](https://www.snappit.app/explore/pacific-trillium)