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Portulaca oleracea

Species category

Weed

Common name

little hogweed

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

Coil

Size

  • Length 0.8–1 mm
  • Width 0.6–0.7 mm
  • Thickness 0.3–0.5 mm

Color

Silvery black

Texture

TuberculateTuberculate:
Having small pimple-like protuberances.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is on margin below radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
 lobe.

Identification notes

Tubercules arranged in rows parallel to margin.

Noxious weed seed categories

Not listed

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Portulacaceae

Valid name

Portulaca oleracea L.

Synonyms

Portulaca neglecta Mack. & Bush
Portulaca oleracea L. ssp. granulatostellulata (Poelln.) Danin & Baker
Portulaca oleracea L. ssp. impolita Danin & Baker
Portulaca oleracea L. ssp. nicaraguensis Danin & Baker
Portulaca oleracea L. ssp. nitida Danin & Baker
Portulaca oleracea L. var. oleracea
Portulaca oleracea L. ssp. papillatostellulata Danin & Baker
Portulaca oleracea L. var. parvifolia (Haw.) Griseb.
Portulaca oleracea L. ssp. stellata Danin & Baker
Portulaca retusa Engelm.

Portulaca oleracea. Silvery black true seeds with Tubercles arranged in rows parallel to the margin.
Portulaca oleracea. Silvery black true seeds with Tubercles arranged in rows parallel to the margin.