Cushion-plants to 3 (–5) cm high, largely glabrous; adventitious roots c. 0.5 mm diam. Leaves somewhat spreading, narrowly oblong to linear, 8–20 mm long, ±flat, slightly dilated at base, entire, ±rounded to truncate apically. Capitula 1 per stem; peduncle 5–20 mm long at maturity, bracteolate; involucre 2.5–4.0 mm long; bracts 8–14 (–16), ±oblong, finally erect; stereome flat, fleshy, with 1 or 3 longitudinal ducts. Florets: female florets 7–17; male florets 4–12; corolla 1.5–3 mm long; limb 3-or 4-lobed, white or purple. Achenes obovoid, c. 2 mm long, slightly to markedly 4-ribbed, pale but purple distally, glabrous.
Grows in alpine bogs, herbfields, grasslands, in rock crevices, and often associated with small waterfalls.
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