Onobrychis viciifolia Scop.
sainfoin (holy-clover; saintfoin)
Fabaceae (Pea family)
Introduction to Vascular Plants
sainfoin (holy-clover; saintfoin)
Fabaceae (Pea family)
Introduction to Vascular Plants
Species Information click to expand contents
General:
Perennial herb from a branched root-crown atop a heavy taproot; stems several, ascending to erect, 20-60 cm tall, tufted, sparsely stiff-hairy.
Leaves:
Alternate, pinnately compound; leaflets 11 to 27, linear-oblong to narrowly elliptic or egg-shaped, abruptly narrowed to a sharp point at the tip, 1-3 cm long, slightly hairy beneath, minutely reddish-dotted above; stipules lanceolate, reddish-brown, papery, 5-12 mm long.
Flowers:
Inflorescence an axillary, dense, spike-like raceme of 10 to 50 pea-like flowers, the stout raceme-stalks longer than the leaves; corollas pink to lavender, lined with reddish-purple, 10-13 mm long, the wings much shorter than the banner or keel; calyces bell-shaped, the 5 awl-shaped teeth twice the length of the long-hairy tube.
Fruits:
Pods, leathery and non-splitting, egg-shaped, 6-8 mm long, hairy, net-ridged, pimply or short-prickly on the flanks; seeds 1.
Illustration click to expand contents

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 click to expand contents
Flower Colour:
Red
Blooming Period:
Early Spring
Fruit/Seed characteristics:
Colour: Brown
Present from Summer to Fall
Source: The USDA
Ecology click to expand contents
Ecological Framework for Onobrychis viciifolia
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) |
1265 | 963 | 2006 |
Slope
Gradient (%) |
25 | 0 | 70 |
Aspect (degrees) |
157 | 20 | 326 |
Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 2 | 4 |
Modal
Nutrient Regime
Class |
D | ||
#
of field plots species was recorded in: |
10 | ||
Modal
BEC Zone Class |
IDF | ||
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(2), IDF(8) | ||
Source:
Klinkenberg 2013
|
Habitat and Range click to expand contents
Mesic to dry fields, clearings, roadsides and waste places; infrequent in S BC; introduced from Eurasia.
Status Information click to expand contents
Synonyms click to expand contents
Synonyms and Alternate Names:
Hedysarum onobrychis L.
Onobrychis sativa Lam.
Onobrychis viciaefolia Scop. [orthographic variant]
Taxonomic Notes click to expand contents
Holy-clover is noticeably abundant in disturbed sites (roadsides, open fields, clear cuts) in the southern interior where it often grows intermixed with Medicago sativa and Linaria genistifolia ssp. dalmatica.
Note Author: R. Klinkenberg, June 2009. |