Perennial herb to 60 cm tall, glabrous. Stems erect, simple. Leaves once or twice divided, to 20 cm long, segments to 10 cm long and narrow-lanceolate, lower petiolate, upper sessile. Capitula solitary, to 7 cm across; summer. Ray florets white to purplish or red, sometimes yellow at apex. Achenes about 3 mm long. Pappus an entire crown. [Chrysanthemum coccineum Willd., Tanacetum roseum Sch. Bip., Pyrethrum roseum (Adams) M. Bieb.]
Available as dwarf semi-double and double cultivars and named seed mixes in colours from pale pink to red, e.g. 'Robinson's Giant' and Robinson's Giants Mixed.
T. cinerariifolium (Trevir.) Sch. Bip., Pyrethrum (Dalmatia Pyrethrum), from S Europe is a perennial glaucous herb with 2 or 3 times divided leaves and solitary radiate capitula with white ray florets. Also spelt T. cinerariaefolium. [Pyrethrum cinerariifolium Trevir., Chrysanthemum cinerariifolium (Trevir.) Vis.]
Source: (2002). Dahlia. 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.