Greek leucos — white, phyton — plant, as the plants have an overall white appearance.
Perennial subshrubs, rounded, white-hairy. Stems densely branched. Leaves along stems, alternate, margins entire, sessile. Capitula diskoid, grouped in dense, spherical, terminal compound heads. Involucral bracts in 2 rows, overlapping, unequal. Common receptacle conical. Florets bisexual, tubular, yellow. Achenes obovoid, glandular-hairy. Pappus of feathery bristles, joined at base.
Overall white appearance of plants; capitula in compound heads.
1 species from Australia.
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.