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

Glehnia littoralis F. Schmidt ex Miq.
American glehnia (American silvertop; Large-leaved Avens)
Apiaceae

Introduction to Vascular Plants

Distribution of Glehnia littoralis
Click here to view our interactive map and legend

Details about map content are available here
Click on the map dots to view record details.

SUBTAXA PRESENT IN BC

Glehnia littoralis ssp. leiocarpa

Species Information

Click on the image below to view an expanded illustration for this species.

Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a stout woody taproot; stemless or with short stems and strongly sheathing leaf stalks buried in the sand.

Leaves:
Basal leaves spreading, often prostrate, thick and firm, glabrous above, white woolly beneath, once or twice divided in 3's; leaflets broadly elliptic to egg-shaped, coarsely toothed.

Flowers:
Inflorescence of several compact clusters; stalks hairy, 1.5-5 cm long; flowers white, small.

Fruits:
Oblong egg-shaped to globose, 6-13 mm long, somewhat flattened, glabrous or hairy towards tip, with broadly corky-winged ribs. HERACLEUM 1. Plants 1.5-4.5 m tall; fruits obtuse basally H. mantegazzianum1. Plants 1-3 m tall; fruits narrowed basally H. maximum

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic coastal dunes and sandy beaches in the lowland zone; infrequent on the Queen Charlotte Islands and Vancouver Island; amphiberingian, N to AK and S to N CA; E. Asia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Glehnia littoralis

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
Site Information	Minimum	Average	Maximum
Elevation (metres)	1	7	15
Slope Gradient (%)	0	0	2
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]		0
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	1	2	5
Modal Nutrient Regime Class	A
Number of field plots species was recorded in:	6
Modal BEC Zone Class	CWH
All BEC Zones (# of stations/zone) species was recorded in:	CWH(6)
Source: Klinkenberg 2020

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S3	Blue	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 11:26:30 AM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.