Clematis orientalis

Species category

Weed

Common name

Oriental virginsbower

Diagnostic characters

Planting unit

AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.

Shape

Oblanceolate

Size

  • Length: 2.2–2.9 mm
  • Width: 1.2–1.6 mm
  • Thickness: 1 mm

Color

Brown to black

Texture

PubescentPubescent:
Having hairs.

Other structures

Scar is basalBasal:
The base of the fruit or seed opposite the apical end.
and pointed.

Identification notes

Apical awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
is long and hairy.

Noxious weed seed categories

State Noxious Weed: Colorado

AOSA examination list

Not included

Nomenclature

Family

Ranunculaceae

Valid name

Clematis orientalis L.

Synonyms

Clematis aurea A. Nelson & J.F. Macbr.
Viticella orientalis (L.) W.A. Weber

 Clematis orientalis.  Achenes with a long, hairy apical awn.
Clematis orientalis. Achenes with a long, hairy apical awn.
 Clematis orientalis.  Achenes with a long, hairy apical awn.
Clematis orientalis. Achenes with a long, hairy apical awn.