Perennial herb up to c. 30 cm high, basally woody and moderately branched; branches with long multiseptate, bristly hairs. Leaves linear-lanceolate, sessile, entire 10-40 x 2-10 mm, flat with one distinct mid-vein, acute to apiculate, bristly hairy. Capitula 20-30 x 15-20 mm, solitary, on long sparsely leaved pedunculoid branches. Involucre broadly cyathiform. Involucral bracts 30-40 in c. 3 rows, herbaceous, bristly hairy with one distinct mid-vein, possibly spreading after anthesis. Florets yellow, symmetrical, 80-100; corolla 10-15 x 1.5-3 mm; corolla lobes erect to spreading, 1/4-1/5 of total length of corolla; epidermis cells with large clusters of crystals. Style 10-15 mm; style-branches c. 2.5 mm, containing crystal clusters. Anthers c. 4 mm, containing crystal clusters; anther-tails 2-3 times longer than collar. Pollen 48 µ in diameter. Achenes 6-8 x 1.5-3 mm, sparsely hairy, 12-16-costate, often with inconspicuous, protruding knobs apically on the ribs at maturity. Crystals few, small, scattered. Pappus yellowish, of c. 60 unequal barbellate bristles in several rows with few minute, inconspicuous, incised scales externally.
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Perennial herb, up to 400 mm tall. Leaves entire, narrow, lanceolate, bristly hairy. Heads with large herbaceous bracts. Pappus scales inconspicuous, bristle-like. Flowers yellow.