The Potato or Nightshade Family East of the Cascade Mountains of Oregon and Washington

Jimson Weed: The Genus Datura - Stamens not converging around the style. Calyx rarely enlarges nor conceals the spiny fruit. Corolla at least 6 cm long, tubular, funnel-like or trumpet-shaped with flaring limb.

Black Henbane, Hog's Bean: Hyoscyamus niger - Stamens not converging around the style. Calyx strongly enlarging in fruit, becoming funnelform, the lobes becoming tipped with a short, sharp point. The enlarged calyx loosely surrounds and conceals the capsule-like fruit.

Groundcherries: The Genus Leucophysalis - Stamens not converging around the style. Calyx rarely enlarges nor conceals the fruit. Corolla flared from its base, lacking a narrow tube.

Box-thorn, Matrimony-vine: Lycium barbarum (Synonym: Lycium halimifolium)- Stamens not converging around the style. Very spiny shrub with fleshy leaves clustered on the older branches. Found 4 mi south of Paisley, OR (1899) and near Klamath Falls, OR (1933).

Chinese Desert-thorn: Lycium cinense -

The Genus Nicotiana - Stamens not convergin around the style. Calyx rarely enlarges nor conceals the fruit. Corolla 1-6 cm long, tubular, funnel-like or trumpet-shaped with a flaring limb. Fruit a non-spiny capsule.

The Genus Physalis - Stamens not converging around the style. Calyx strongly enlarging in fruit, becoming semiglobose and lacking short, sharp points at the tips of the lobes. The enlarged calyx loosely surrounds and conceals the fruit which is a berry.

The Genus Solanum - Stamens converging around but not actually fused or united to the style.