Plants 0.9–1.2(–1.5) m, with thick, ± fleshy roots or rootstock. Stems decumbent-based, base often rooting, branched or not, solid, often hollow in age, 5–10 mm diam. near base, base usually bristly-hirsute, sometimes with minute stellate hairs, bristle hairs 1–1.5 mm, becoming glabrate distally. Leaves: stipules linear or lanceolate, 4–longer than pedicels, shorter than calyx. Pedicels 1–2 mm. Flowers bisexual or unisexual and pistillate, plants gynodioecious; calyx 7.5 mm, accrescent, finely stellate-puberulent, sparsely, if at all, bristly; petals dark rose-pink to pink-lavender, 10–15 mm; staminal column 4–6 mm, hairy; anthers white; stigmas (6 or)7 or 8. Schizocarps 5–6 mm diam.; mericarps (6 or)7 or 8, 3 mm, sparsely glandular-puberulent, smooth, mucro 0.5 mm. Seeds 1.5–2.5 mm. 2n = 20.
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