Bromus vulgaris (Hook.) Shear
Columbia brome
Poaceae (Grass family)
Introduction to Vascular Plants
Columbia brome
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial grass from fibrous roots, sometimes rooting at the lower nodes; stems usually hairy at the nodes, 60-100 (120) cm tall.
Leaves:
Sheaths strongly soft-hairy to smooth, but often with a few long hairs at the throats; blades 5-10 (15) mm wide, flat, lax, smooth to soft-hairy on either or both surfaces; ear-shaped lobes lacking at the leaf-bases; ligules smooth to hairy, finely to coarsely jagged, (2) 3-5 mm long.
Flowers:
Inflorescence a somewhat compact panicle, 10-18 (20) cm long, the branches slender, often drooping; spikelets (3-) 5- to 7- (10-) flowered, slightly if at all compressed, (15) 20-28 mm long; glumes smooth or rough on the nerves or keels, the lower ones 1-nerved but sometimes obscurely to plainly 3-nerved, 5-8 mm long, the upper ones 3-nerved (or obscurely 5-nerved), 7-10 mm long; lemmas hairy along the marginal nerves and sometimes over the lower halves but more or less smooth towards the tips, rounded on the backs, 8-13 mm long, shallowly bidentate, awned, the awns (3) 5-10 mm long; anthers 3-5 mm long, exserted.
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:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present from Spring to Summer
Source: The USDA
Ecology
Ecological Framework for Bromus vulgaris
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) |
1037 | 2 | 2178 |
| Slope
Gradient (%) |
20 | 0 | 190 |
|
Aspect (degrees) |
183 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 1 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
1760 | ||
| Modal
BEC Zone Class |
ICH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BWBS(19), CDF(103), CWH(242), ESSF(376), ICH(427), IDF(98), IMA(1), MH(2), MS(124), PP(5), SBPS(11), SBS(253), SWB(6) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to mesic meadows, thickets, streambanks, rocky slopes and open forests in the lowland and subalpine zones; common on S Vancouver Island and the Gulf Islands, infrequent in S and C BC; E to AB and S to WY, UT, ID and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Bromopsis vulgaris (Hook.) Holub
Bromus eximius
Bromus vulgaris var. eximius Shear
Bromus vulgaris var. robustus Shear
Bromus vulgaris var. vulgaris