Monarda fistulosa

Species category

Weed

Common name

wild bergamot, wildbergamot horsemint, Oswego-tea, mintleaf beebalm, wildbergamot beebalm

Diagnostic characters

Planting unit

NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints).

Shape

OvalOval:
Broadly elliptic.

Size

  • Length 1.5–1.8 mm
  • Width 0.7–0.9 mm
  • Thickness 0.5–0.7 mm

Color

Brown

Texture

Finely stippled

Other structures

Two large scars are at the base, light colored and separated by a small ovalOval:
Broadly elliptic.
attachment structure.

Identification notes

DorsalDorsal:
Upper side or back of a seed or fruit.
side rounded, ventralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
side with two moderately flattened surfaces.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Lamiaceae

Valid name

Monarda fistulosa L.

 Monarda fistulosa.  Nutlets with two large scars at the base that are light colored and separated by a small oval attachment structure. 
Monarda fistulosa. Nutlets with two large scars at the base that are light colored and separated by a small oval attachment structure.