Helichrysum opacum Klatt

Perennial herb, roots fusiform, crown clad in loose brown wool, flowering stem up to 400 mm high, nearly always solitary, thinly greyish-white felted, remotely leafy. Leaves mostly radical, up to ±150 x 12 mm, lanceolate, only slightly narrowed to the broad clasping base, markedly discolorous, green, often drying blackish, above with a few scattered hairs, white-felted below, striate from the strongly raised parallel veins, cauline leaves few, distant, much smaller than the radical, acuminate. Heads homogamous, campanulate, ±5 mm long, double that across the fully radiating involucral bracts, many in a corymbose panicle. Involucral bracts in ±8 series, inner subequal, loosely imbricate, much exceeding flowers, very acute, opaque, snow-white. Receptacle with fimbrils much exceeding ovaries. Flowers 23-28, yellow. Achenes 1 mm long, glabrous. Pappus bristles many, equalling corolla, scabrid, bases cohering strongly by patent cilia.