Prostrate or ascending, slender, perennial herb (5–) 20–30 cm high; stems prostrate, rooting at nodes, with short appressed hairs. Leaves subsessile, distant, narrowly lanceolate to linear, 15–50 (–80) mm long, 2–7 mm wide, abruptly contracted at base, ±entire or with few tiny scattered teeth; both surfaces appressed-pilose; hairs 0.3–0.8 mm long, appressed or semi-erect, with lower cell swollen or not. Capitula solitary or clustered on peduncles 5–40 mm long; involucral bracts 8–10, lanceolate, pouched at base, sparsely hairy, weakly striate, 3–4 mm long, pilose. Ray florets 8–12; ligule oblong, 2-lobed, yellow. Disc florets 8–15; corollas yellow. Achenes cylindric, 2–3 mm long, 1 mm wide, yellow-brown to purple-black, densely tuberculate when mature; ray achenes ±3-angled, not winged; disc achenes ±4-angled, otherwise similar; pappus absent or a minute cup with irregularly ciliolate margins, 2–4 teeth sometimes produced into short soft awns.
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