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

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

Introduction to Vascular Plants

Distribution of Iliamna rivularis var. rivularis
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a woody stem-base; stems woody, erect, branched, short- to stiff-hairy with star-shaped hairs, 0.5-2 m tall.

Leaves:
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.

Flowers:
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.

Fruits:
Carpels, rounded at the top, hairy, 7-8 mm long; seeds 2-4.

Source: The Illustrated Flora of British Columbia

Key to the Species and Taxonomic Notes

KEY TO MALVACEAE

1. Stigmas extending full length on the inner surfaces of the style branches.

2. Calyces with basal bractlets; carpels beakless ....................Malva
2. Calyces without basal bractlets; carpels beaked ............................Sidalcea

1. Stigmas terminal and head-like.

3. Leaves heart-shaped and toothed; petals yellow...............Abutilon
3. Leaves mapleleaf-like or kidney-shaped and lobed; petals not yellow, colors various.

4. Petals usually more than 2 cm long; leaves 4-15 cm long; carpels glabrous on the sides, opening the full length at maturity.........................Iliamna
4. Petals 1-2 cm long; leaves 2-6 cm long; carpels strongly net-veined on the basal half of the sides, remaining closed at the bases at maturity ..................Sphaeralcea

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

Climate

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S4	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-07-27 5:35:38 PM ]

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