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

© Virginia Skilton  Email the photographer   (Photo ID #80950)

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Distribution of Glehnia littoralis
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SUBTAXA PRESENT IN BC
Glehnia littoralis ssp. leiocarpa

Species Information

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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

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)

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References