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Native Plant Database

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Tiarella trifoliata var. unifoliata (Oneleaf foamflower)
Bransford, W.D. and Dolphia

Tiarella trifoliata var. unifoliata (Hook.) Kurtz

Oneleaf foamflower, Sugar scoop, Western foamflower

Saxifragaceae (Saxifrage Family)

Synonyms: Tiarella unifoliata

USDA Symbol: TITRU

USDA Native Status: Native to U.S.

Western foamflower is a colony-forming perennial that forms short rosettes of deep-green, rounded, toothed leaves. The leafy flowering stalk, usually 6-8 in. high, carries horizontal to nodding, cup-shaped, white flowers followed by curious fruits which look like old-fashioned sugar scoops. Leaves remain evergreen through the year.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Flower:
Fruit:
Size Class: 0-1 ft.

Bloom Information

Bloom Color: White
Bloom Time: May , Jun , Jul

Distribution

USA: AK , CA , ID , MT , OR , WA
Canada: BC
Native Distribution: CA Coast Ranges to s. AK, w. to s.w. Alt. & w. MT
Native Habitat: Shaded north slopes below 2000 ft.
USDA Native Status: L48(N), AK(N), CAN(N)

Growing Conditions

Light Requirement: Shade
Soil Description: Cool, damp (in summer) soils.
Conditions Comments: Not Available

Propagation

Description: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

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:

Santa Barbara Botanic Garden - Santa Barbara, CA

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Tiarella trifoliata var. unifoliata in USDA Plants
FNA: Find Tiarella trifoliata var. unifoliata in the Flora of North America (if available)
Google: Search Google for Tiarella trifoliata var. unifoliata

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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