Galium bifolium S. Watson
thin-leaved bedstraw (twinleaf bedstraw)
Rubiaceae (Madder family)
Introduction to Vascular Plants
thin-leaved bedstraw (twinleaf bedstraw)
Rubiaceae (Madder family)
Introduction to Vascular Plants
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Species Information
General:
Annual herb from a taproot; stems erect, solitary, simple or slightly branched, round, smooth, 5-20 cm tall.
Leaves:
Basal leaves few, soon deciduous; stem leaves in whorls of 4, with one pair smaller, upper leaves sometimes opposite, lanceolate to linear-elliptic, larger leaf pairs 1-2 cm long, smooth, 1-veined, entire, unstalked.
Flowers:
Inflorescence of solitary, stalked, axillary flowers; corollas white, cup-shaped, 3.5-7 mm wide, 3-lobed, soon deciduous; calyces obsolete.
Fruits:
Nutlets, 2, 2.5-3.5 mm long, with numerous, short, hooked hairs.
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 Galium bifolium
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) |
1143 | 820 | 1627 |
| Slope
Gradient (%) |
19 | 0 | 70 |
|
Aspect (degrees) |
140 | 77 | 215 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 1 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
6 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BWBS(1), ESSF(1), IDF(3), SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||