E-Flora BC: Electronic Atlas of the Flora of British Columbia

Acmispon parviflorus
small-flowered birds-foot trefoil
Fabaceae (Pea family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #13119)

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Distribution of Acmispon parviflorus
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

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)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 31 177 382
Slope Gradient (%) 0 35 210
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
23 183 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 3
Modal Nutrient Regime
Class
B
Number 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)

Synonyms and Alternate Names

Lotus micranthus Benth.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References