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Monarda punctata

Species category

Weed

Common name

spotted 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.
 with two flat sides

Size

  • Length 1 mm 
  • Width 0.7 mm 
  • Thickness 0.5 mm 

Color

Olive-green, slightly mottled

Texture

Smooth

Other structures

Scar is a single circle at the base of the ridge.

Identification notes

The two flat surfaces are not distinct but the position of the scar locates their position.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Lamiaceae

Valid name

Monarda punctata L.

From Left to Right: 1. Salvia azurea var. grandiflora 2. Dracocephalum parviflora 3. Salvia reflexa 4. Nepeta cataria 5. Monarda punctata 6. Mentha arvensis. Nutlets with a scar on a single circle at the base of the ridge. 
From Left to Right: 1. Salvia azurea var. grandiflora 2. Dracocephalum parviflora 3. Salvia reflexa 4. Nepeta cataria 5. Monarda punctata 6. Mentha arvensis. Nutlets with a scar on a single circle at the base of the ridge.