Monarda ×medioides

Species category

Weed

Common name

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.
to ovalOval:
Broadly elliptic.

Size

  • Length 1.5–1.6 mm
  • Width 0.8–1 mm
  • Thickness 0.5–0.7 mm

Color

Dark brown

Texture

Finely stippled and moderately striate

Other structures

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).
has two large, dark-colored scars at the base separated by a small ovalOval:
Broadly elliptic.
attachment structure.

Identification notes

DorsalDorsal:
Upper side or back of a seed or fruit.
side rounded and 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 ×medioides Duncan [fistulosa × media]

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