Gnaphalium uliginosum L.
marsh cudweed
Asteraceae (Aster family)
Introduction to Vascular Plants
marsh cudweed
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Annual or biennial herb from a fibrous root; stems usually much branched from near the base, glandular-hairy, 3-25 cm tall.
Leaves:
Basal leaves mostly lacking; stem leaves alternate, entire, linear to linear-oblanceolate, closely white or greyish woolly-hairy, unstalked, 0.8-5 cm long, 1-4 mm wide.
Flowers:
Heads disciform, in large, leafy-bracted, usually terminal clusters, densely woolly-hairy at the base; involucres 2-3 mm tall; involucral bracts egg-shaped to lanceolate or lance-linear; discoloured, greenish or brownish.
Fruits:
Achenes nerveless, glabrous or with nipple-like projections; pappus bristles distinct and falling separately.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Gnaphalium uliginosum
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
707 | 690 | 725 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 5 | 5 |
| Modal
Nutrient Regime
Class |
|||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
SBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
SBS(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to mesic streambanks, lakeshores and waste places in the lowland, steppe and montane zones; common in S BC; introduced from Europe.Status Information
Synonyms
Synonyms and Alternate Names:
Filaginella uliginosa (L.) Opiz
Gnaphalium grayi A. Nelson & J.F. Macbr.