Acmispon americanus (Spanish Clover) - photos and description
General: Erect annual with a branching growth habit. Stems pilose.
Flowers: Flowers white with a touch of pink, we measured flowers to 7 mm long. Flowers solitary in upper leaf axils.
Leaves: Leaves are alternate, mostly 3-foliate, on very short stalks. Leaflets elliptical to lanceolate, leaflet measured at 15 mm long by 5 mm wide. Leaves pilose.
Height: Height listed in Budd's Flora to 40 cm, we measured plants from 13 to 39 cm tall.
Habitat: Habitat is dry to moist grassland in southeast Saskatchewan.
Abundance: This plant is rare, ranked as an S3 (as of 2021) by the Saskatchewan Conservation Data Centre.
Origin: Native.
Synonym: Listed in some of the field guides we use as Lotus unifoliolatus, and L. purshianus.
When and where photographed: The above photos were taken July 14th, August 1st and August 8th, grassland, Souris River valley, about 200 km southeast of our home in Regina, SK.