Acmispon parviflorus
small-flowered birds-foot trefoil
Fabaceae (Pea family)
Introduction to Vascular Plants
small-flowered birds-foot trefoil
Fabaceae (Pea family)
Introduction to Vascular Plants
Species Information
General:
Annual herb; stems prostrate to erect, 10-30 cm long/tall, slender, glabrous or sparsely appressed-hairy.
Leaves:
Alternate, pinnately compound; leaflets 3 to 6, oblong to elliptic, blunt-tipped, 4-12 mm long, often glaucous; stipules tiny, gland-like.
Flowers:
Inflorescence of single, pea-like flowers on stalks from the leaf axils, the stalks 3-20 mm long, with a 2- to 3-parted bract just below the flower; corollas pale yellow or salmon, reddish-tinged, quickly fading, 4-6 mm long; calyces 2 mm long, hairy, the linear-lanceolate lobes shorter than the tube.
Fruits:
Pods, oblong, 1.5-3 cm long, hairless, wavy-margined, constricted between the 4 to 9 seeds.
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 Acmispon parviflorus
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) |
177 | 31 | 382 |
| Slope
Gradient (%) |
35 | 0 | 210 |
|
Aspect (degrees) |
183 | 23 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 3 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
90 | ||
| Modal
BEC Zone Class |
CDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CDF(21), CWH(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to mesic meadows, grassy bluffs, rocky slopes and sandy clearings in the lowland zone; locally frequent in extreme SW BC; S to CA.Status Information
Synonyms
Synonyms and Alternate Names:
Lotus micranthus Benth.