Agrimonia striata

Species category

Flower, Weed

Common name

roadside agrimony

Diagnostic characters

Planting unit

BurrBurr:
Has spikelets or flowers that are compressed closely together by lacking a central axis. The spikelet glumes are hard and pointed, e.g. buffalograss.

Shape

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

Size

  • Length: 4.5–5 mm
  • Width: 2.5–3 mm
  • Thickness: 2.5–3 mm

Color

Brown

Texture

The basalBasal:
The base of the fruit or seed opposite the apical end.
half has longitudinal ribs, and the apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
half has hooked spines.

Other structures

Distal half of burrBurr:
Has spikelets or flowers that are compressed closely together by lacking a central axis. The spikelet glumes are hard and pointed, e.g. buffalograss.
with appressedAppressed:
Pressed close or lying flat against something.
, hooked spines.

Identification notes

Base is strong and curved.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Rosaceae

Valid name

Agrimonia striata Michx.

 Agrimonia striata.  Burr with distal hooked spines.
Agrimonia striata. Burr with distal hooked spines.