Ephedra nevadensis

Species category

Revegetation or Rangeland, Shrub or Tree, Weed

Common name

Nevada jointfir

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 5.5–6 mm
  • Width 2.8–3 mm
  • Thickness 2.8–3 mm

Color

Dark brown

Texture

Smooth with longitudinal lines

Other structures

Calyx fragments may be attached.

Identification notes

VentralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
side is indented.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Ephedraceae

Valid name

Ephedra nevadensis S. Watson

 Ephedra nevadensis.  Achenes with calyx fragments that may be attached.
Ephedra nevadensis. Achenes with calyx fragments that may be attached.