Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

D-shaped

Size

• Length 1.5–1.7 mm
• Width 0.6–0.7 mm
• Thickness 0.4–0.7 mm

Color

Brown

Texture

Rough

Other structures

Strong ridges separate surfaces.

Family

Onagraceae

Valid name

Oenothera grandiflora L'Hér. ex Aiton