Polygonatum biflorum (Solomon's-seal) - photos and description

Polygonatum biflorum

Polygonatum biflorum

Polygonatum biflorum

Polygonatum biflorum

Polygonatum biflorum

Polygonatum biflorum

Polygonatum biflorum
Looking straight down on plant

Polygonatum biflorum
Top of leaves in above photo

Polygonatum biflorum
Bottom of leaves in above photo

General: Woodland perennial with simple, arching stems. Plants glabrous.

Flowers: Flowers pale yellow with green stripes, single or in pairs from leaf axils, hanging beneath the leaves, the 3 petals and and 3 sepals indistinguishable, the tepals fused into a tube, spreading at the tip of the flower. Flower measured at 17 mm long. Styles do not protrude from the bottom of the flower.

Leaves: Leaves elliptical to lanceolate, cauline, alternate; upper leaves sessile, lower leaves clasping. Leaf measured at 10 cm long by 3.5 cm wide. Veins prominent on bottom of leaves.

Height: Height listed in Budd's Flora from 30 to 100 cm, we measured plants to 35 cm tall, stems to 55 cm long.

Habitat: Moist riparian woods and coulees in river valleys in extreme corner of southeast Saskatchewan.

Abundance: This plant is very rare, ranked as an S1 (as of 2019) by the Saskatchewan Conservation Data Centre.

Origin: Native.

When and where photographed: Photos taken June 28th, slope in woodland, the Souris River valley, about 225 km south east of our home in Regina, SK.