Equisetum laevigatum A. Braun
smooth scouring-rush (smooth horsetail)
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
smooth scouring-rush (smooth horsetail)
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
Species Information
General:
Perennial from a rhizome.
Stems:
20-120 cm tall, 3-8 mm thick, light green, their central cavity 2/3-3/4 the stem diameter, unbranched, the sheaths with 12-30 teeth that fall off leaving only small depressions at the sheath tips.
Cones:
8-15 mm long, with a blunt or rounded tip.
Notes:
A hybrid with E. hyemale (E. x ferrissii Clute) occurs infrequently in SC BC.
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
USDA Species Characteristics
Flower Colour:
Green
Blooming Period:
Early Spring
Fruit/Seed characteristics:
Colour: Brown
Present from Spring to Summer
Source: The USDA
Ecology
Ecological Framework for Equisetum laevigatum
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) |
1073 | 451 | 2130 |
| Slope
Gradient (%) |
8 | 0 | 40 |
|
Aspect (degrees) |
232 | 158 | 320 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 3 | 7 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
11 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), ESSF(1), ICH(1), IDF(3), PP(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry to moist sandy soil, wet margins of lakes, streambanks, roadsides in the steppe and montane zones; frequent in SC and SE BC; E to ON and S to OH, IL, OK, TX, NM, AZ and CA; Mexico.Status Information
Synonyms
Synonyms and Alternate Names:
Equisetum funstonii A.A. Eat.
Equisetum kansanum Schaffn.
Equisetum laevigatum subsp. funstonii (A.A. Eat.) Hartman
Hippochaete laevigata (A. Braun) Farw.