Iliamna rivularis (Douglas ex Hook.) Greene
Streambank wild hollyhock, Wild hollyhock, Mountain globemallow
Malvaceae (Mallow Family)
USDA Symbol: ilri
This perennial may reach 6 ft., but 1 1/2-3 ft. is usual in drier locations. Showy, pink, rose-purple or nearly white flowers are borne from upper leaf axils forming an erect, terminal raceme. Large leaves are broadly heart-shaped with triangular lobes.
From the Image Gallery
Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: Jun , Jul , Aug
DistributionUSA: CO , ID , IL , IN , MT , NV , OR , UT , VA , WA , WY
Native Distribution: E. of the Cascade Mts. from B.C. to OR, e. to Alt. & CO
Native Habitat: Stream banks; mountain meadows
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low
Soil Description: Moist, rich soil.
Conditions Comments: Not Available
BenefitWarning: Berries can be toxic to humans, especially children, if ingested. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil.
Conspicuous Flowers: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
BibliographyBibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
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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 resourcesUSDA: Find Iliamna rivularis in USDA Plants
FNA: Find Iliamna rivularis in the Flora of North America (if available)
Google: Search Google for Iliamna rivularis
MetadataRecord Modified: 2013-06-21
Research By: TWC Staff