Petalacte
(from petalon, a petal, and acte, a ray; referring to the rayed, petal-like scales on the receptacle). SYN. Petalolepis. ORD. Compositae. A monotypic genus, the species being a greenhouse, evergreen, hoary-tomentose or woolly sub-shrub. It requires culture similar to Helichrysum (which see). P. coronata (crowned). fl.-heads white, small, heterogamous, disposed in terminal, crowded cymes or corymbs; achenes glabrous or papillose; involucre campanulate; receptacle small. May. l. alternate, entire, obtuse. h. 1ft. South Africa, 1816.