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

Irregularly ellipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

• Length 0.5–0.8 mm
• Width 0.3–0.4 mm
• Thickness 0.1–0.2 mm

Color

Black

Texture

RugoseRugose:
Having veinlets sunken and areas in between raised. Wrinkled.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is not easy to see.

Family

Gesneriaceae

Valid name

Sinningia speciosa (Lodd.) Hiern