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Arenaria serpyllifolia

Species category

Weed

Common name

thymeleaf sandwort, sandwort

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

Circular, wedged with hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 indentation

Size

  • Length: 0.5–0.6 mm
  • Width: 0.5–0.6 mm
  • Thickness: 0.3–0.4 mm

Color

Brown

Texture

TuberculateTuberculate:
Having small pimple-like protuberances.

Other structures

Tubercles are regular and arranged in rows.

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 located in indentation on the side of the circle.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Caryophyllaceae

Valid name

Arenaria serpyllifolia L.

Synonyms

Arenaria leptoclados (Rchb.) Guss.
Arenaria serpyllifolia L. ssp. leptoclados (Rchb.) Nyman
Arenaria serpyllifolia L. ssp. serpyllifolia
Arenaria serpyllifolia L. var. tenuior Mert. & W.D.J. Koch

Arenaria serpyllifolia.  Tubercles are regular and arranged in rows.
Arenaria serpyllifolia. Tubercles are regular and arranged in rows.