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

OvalOval:
Broadly elliptic.

Size

• Length 1.5–2 mm
• Width 1–1.7 mm
• Thickness 0.5–1 mm

Color

Brown

Texture

ReticulatedReticulated:
Resembling a net or network, especially having veins, fibers, or lines crossing the surface.  
and scurfyScurf:
Having flakes on the surface.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
scar is large and depressed.

Family

Scrophulariaceae

Valid name

Collinsia heterophylla Buist ex Graham