Helichrysum palustre Hilliard

Perennial herb with tufts of leaf rosettes from a woody rhizome, flowering stems lateral, 1 or 2 from each tuft, erect to about 150 mm, loosely grey-woolly, closely leafy. Radical leaves up to 50 x 7 mm, lanceolate-lingulate, persistently silvery-sericeous; cauline leaves lanceolate, diminishing in size upwards. Heads heterogamous, campanulate, ±10 mm long, double that across the radiating bracts, solitary, or very rarely paired. Involucral bracts in 8-10 series, graded, loosely imbricate, much exceeding the flowers, acute, snow-white, dull crimson patch near base inside. Receptacle very shortly honeycombed. Flowers 145-224, 15-32 female, 130-192 homogamous. Achenes 1.5 mm long, strongly 5-ribbed, glabrous. Pappus bristles many, equalling corolla, scabridulous, bases lightly fused in bundles.