Rhizomatous perennial 3–6 dm, the stems usually forked, with ascending branches; pubescence of the younger stems, the petioles, and often also the pedicels, consisting wholly or in considerable part of short, stiff, ± decurved hairs; lvs ovate to narrowly lanceolate, acute, sinuately toothed to entire, narrowed to the base and ± decurrent on the long petiole, sparsely to abundantly hirsutulous on both sides, minutely ciliolate; pedicels at anthesis 1–2 cm, not much elongating in fr; cal hirsute or hirsutulous with spreading hairs, its lobes at anthesis 2.5–5 mm, densely ciliolate; cor 12–18 mm, yellow, blotched within, filaments dilated below, gradually narrowed above; anthers 2–3 mm; fruiting calyx sunken at base, 5-angled, notably longer than thick; fr orange; 2n=24. Fields, upland woods, and prairies; Conn. to Mich., Minn., and Colo., s. to S.C., Ala., and Ariz. (P. monticola)
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A low spreading plant. It grows 1.5 m tall. The leaves are entire and can have teeth. They are hairy. The fruit is a round berry with a papery husk. They are yellow when ripe.
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