Perennial herb to 60 cm tall, woolly. Stems erect or ascending, little-branched. Leaves linear to spathulate, to 6 cm long, to 2.5 cm wide, margins entire, sessile. Capitula few to many in compact clusters, to 1.5 cm across; mostly spring. Florets bright yellow. Achenes 4-angled, 0.5-1mm long, glabrous or warty. Pappus bristles yellow at apex. [Helichrysum apiculatum (Labill.) D. Don]
C. semipapposum (Labill.) Steetz, Clustered Everlasting, Yellow Buttons, from all states of Australia is an aromatic perennial herb to 60 cm tall with linear leaves, capitula to 7 mm across in dense terminal clusters, and yellow involucral bracts and florets. [Helichrysum semipapposum (Labill.) DC.]
C. apiculatum and C. semipapposum are closely related and both are very variable; intermediates have been recorded in the wild.
Source: (2002). Asteraceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.