Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang
tall wheatgrass
Poaceae (Grass family)
Introduction to Vascular Plants
tall wheatgrass
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial, tufted grass from fibrous roots; stems smooth, nodes exposed, 50-200 cm tall.
Leaves:
Sheaths smooth but fringed with fine hairs on the lower margins; blades with in-rolled margins, not thickened, membranous, densely hairy or rough, with 8, rounded, thickened nerves on the upper surfaces, 2-6.5 mm wide; ligules membranous, 0.3-1.5 mm long; ear-shaped lobes at the leaf-bases 0.2-1.5 mm long.
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:
Yellow
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source: The USDA
Ecology
Ecological Framework for Thinopyrum ponticum
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) |
885 | 885 | 885 |
| Slope
Gradient (%) |
4 | 4 | 4 |
|
Aspect (degrees) |
108 | 108 | 108 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 4 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
IDF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry roadsides, slopes and open forests in the steppe and lower montane zones; rare in SW BC (Vancouver), infrequent in SC and SE BC; introduced from Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Agropyron elongatum
Agropyron varnense (Velen.) Hayek
Elymus elongatus
Elymus elongatus subsp. ponticus
Elymus elongatus var. ponticus (Podp.) Dorn
Elymus varnensis (Velen.) Runemark
Elytrigia elongata (Host) Nevski
Elytrigia pontica
Elytrigia pontica subsp. pontica (Podp.) Holub [superfluous autonym]
Lophopyrum elongatum (Host) A. L÷ve
Thinopyrum ponticum subsp. ponticum