Plants leafy-stemmed. Stems 30–100 cm, glabrate to downy, ?hairs to 1.5 mm, sometimes glandular?. Leaves: basal 10–25 cm, blade simple or pinnate, major leaflets 3–5, plus 0–4 minor basal ones, terminal leaflet larger than major laterals; cauline 3–8 cm, stipules ± free, 4–13 × 1–7 mm, blade 3-foliolate or simple and 3-lobed to unlobed. Inflorescences 3–15-flowered. Pedicels densely hairy, ?hairs of varying lengths, few long stiff ones?, sometimes glandular. Flowers erect; epicalyx bractlets 0.5–1.5 mm; hypanthium green; sepals spreading but soon reflexed, 3–6 mm; petals spreading, white, obovate to oblong, (3–)4–8 mm, ± equal to or slightly longer than sepals, apex rounded. Fruiting tori sessile, densely bristly, ?hairs 1–2.3 mm?. Fruiting styles geniculate-jointed, proximal segment persistent, 2–8 mm, apex hooked, usually glabrous, sometimes sparsely hairy or stipitate-glandular, distal segment deciduous, 1–2 mm, pilose in basal 1/2, ?hairs much longer than diam. of style?. 2n = 42.
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Stems slender, 4–10 dm, glabrous or sparsely pubescent below, becoming minutely but densely velvety-puberulent above and on the pedicels, often also with a few scattered long hairs; basal lvs long-petioled, with mostly 3 obovate lfls; cauline lvs mostly shorter-petioled, with more oblong-lanceolate to rhombic lfls, the uppermost simple and subsessile; pet white, nearly as long as the sep, or longer; head of frs obovoid, 10–15 mm; receptacle densely bristly, the hairs protruding among the ovaries at anthesis but shorter than the achenes, these hairy at least above, 2.5–3.5 mm excluding the style; 2n=42. Dry or moist woods; N.S. to Minn. and N.D., s. to Ga. and Tex. May, June. (G. camporum)
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