Oenothera nutallii (White Evening Primrose) - photos and description

 

 

 

 

 

General: Plants with a branching growth habit, rhizomatous. Stems are white coloured, glabrous.

Flowers: Large white flowers open in the morning and last one day - fading to pink in the afternoon. Flowers solitary on their peduncles, with 4-parted styles, and grow from upper leaf axils. We measured a flower at 4.5 cm in diameter.

Leaves: Leaves are alternate, linear with somewhat wavy margins. I measured leaves to 6 cm long and 8 mm wide. Leaf bottoms are pubescent, while margins and tops have short hairs.

Height: Height in Budd's Flora is listed to 100 cm, we measured plants to 90 cm tall.

Habitat: Light or sandy soil in our grasslands or edges of aspen groves.

Abundance: Common.

Origin: Native.

When and where photographed: These photos were taken July 15th on stabilized sand dunes, about 20 km east of Regina, SK.