Growth Habit: Perennial, erect, numerous branches

Leaves: Opposite, attached directly to stem, 1 inch long, oblong, covered with transparent dots.

Stems: Woody at the base, 1 to 3 ft. tall, rust colored, with 2 ridges.

Flower: Yellow, 3/4 inch diameter, numerous in flat-topped clusters, 5 petals with numerous stamens.

Roots: Branched and deep, some shallow and capable of sending up shoots.

Seeds: Small, shiny black, with rough texture in a round, pointed, three-part seedpod.

Other: Contains a toxic substance which causes white-haired animals to become allergic to strong sunlight.

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