E-Flora BC: Electronic Atlas of the Flora of British Columbia

Iliamna rivularis (Douglas ex Hook.) Greene
streambank globe-mallow (mountain hollyhock; streambank wild hollyhock)
Malvaceae (Mallow family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #13988)

E-Flora BC Static Map
Distribution of Iliamna rivularis
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Species Information

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Perennial herb from a woody stem-base; stems woody, erect, branched, short- to stiff-hairy with star-shaped hairs, 0.5-2 m tall.
Alternate, mapleleaf-like, 5-15 cm long, 3- to 7-lobed, lobes triangular and coarsely toothed; stalks shorter than the leaves, hairy with fine star-shaped hairs, 2-5 cm long.
Inflorescence of 1-several, axillary flowers on stalks 0.6-1.2 cm long, hairy; petals 5, rose-purple, 2-2.5 cm long; calyces 5-lobed, the lobes pointed, hairy, 3-5 mm long.
Carpels, rounded at the top, hairy, 7-8 mm long; seeds 2-4.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Habitat / Range

Moist to mesic disturbed areas, streambanks and meadows in the steppe and lower montane zones; infrequent in S BC east of the Coast-Cascade Mountains; S to CO and OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Iliamna rivularis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 997 997 997
Slope Gradient (%) 73 73 73
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
180 180 180
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ICH(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References