Dioecious. Plants 0.5–1.5 cm. Stolons 3–10 cm (leafless except tips, relatively slender). Basal leaves 1-nerved, linear-oblanceolate, 16–18 × 1.5–2 mm, tips acute, faces ± gray-tomentose. Cauline leaves linear or oblanceolate, 7–15 mm, not flagged. Heads borne singly. Involucres: staminate 6–7 mm; pistillate 7–9 mm. Phyllaries (relatively wide) distally brown to blackish or whitish. Corollas: staminate 3–4.5 mm; pistillate 5–7 mm. Cypselae 2–3 mm, papillate; pappi: staminate 3.5–4.5 mm; pistillate 6–8 mm. 2n = 28.
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