Planting unit

AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.

Shape

Oblanceolate and slightly curved

Size

• Length 14–16 mm
• Width 1–1.5 mm
• Thickness 1–1.5 mm

Color

Brown with black mottling

Texture

Rough; longitudinal ribs and grooves.

Other structures

ApicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
end is long and narrow.

Family

Asteraceae

Valid name

Cosmos sulphureus Cav.