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Trillium ovatum Pursh
Pacific trillium, Western wakerobin, Coast trillium
USDA Symbol: trov2
USDA Native Status: L48 (N), CAN (N)
The 8-20 in. stem of this variable trillium bears leaves in a whorl of three. The flower rises on a short stalk above the leaves and is pure white, fading to rose at the end of a week. Very large-flowered forms come from the Siskiyous of n.w. CA. This is a perennial plant. A low plant with 1 white flower on a short stalk that grows from the center of a whorl of 3 broad, ovate leaves at top of an otherwise leafless stem.
The name Wake Robin indicates that the flowers bloom in early spring, about the time the robin arrives. Only one other species in the West has a stalk between the flower and the leaves, Klamath Trillium (T. rivale), of northwestern California and southwestern Oregon. Giant Wake Robin (T. chloropetalum), which grows in dense patches west of the Cascade Mountains and in the Sierra Nevada, has no stalks at the base of the mottled leaves. Its petals vary from white to maroon; if maroon, usually with a white base. Roundleaf Trillium (T. petiolatum), from eastern Washington and Oregon, has long stalks on the leaves and dark red-brown petals.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Complexity: Simple Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Feb , Mar , Apr , May , Jun
, WY Canada: AB
, BC Native Distribution:
B.C. to s.w. Alt., s. through Coast Ranges to Monterey Co. & Rockies to CO Native Habitat:
Moist, wooded slopes; stream banks
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Moist , Wet
Drought Tolerance: Low
Soil Description: Cool, moist soils.
Conditions Comments: Do not let them dry out.
BenefitUse Wildlife: Other Showy Insects
Use Food: EDIBLE PARTS / PREPARATION: Young, unfolding leaves. Wash leaves in warm water to remove dirt and debris. Do not use dish detergent or any type of sanitizer. Cook in boiling, salted water for ten minutes and serve like greens. (Poisonous Plants of N.C.)
Warning: POISONOUS PARTS: Berries and roots. Only low toxicity if eaten. Toxic Principle: Toxicity unknown, but caution because of its relationship with known toxic plants.
Conspicuous Flowers: yes
division or seed. Seeds do best when planted outdoors soon after fruits have ripened. Seedlings take many years to bloom. Divide rhizomes in fall. Seed Collection:
Not Available Seed Treatment:
1 month stratification is necessary. Commercially Avail:
National Wetland Indicator Status
|Status:|| FACU || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2013-09-14
Research By: TWC Staff