Other common names: Plumerillo.
Synonyms: Acacia formosa, Acacia gracilis, Anneslia chapaderoana, Anneslia cookii, Anneslia formosa, Calliandra capillata, Calliandra formosa, Calliandra gentryi, Calliandra gracilis, Calliandra malacophylla, Calliandra marginata, Calliandra penduliflora, Calliandra viridifolia, Feuilleea formosa, Feuilleea malacophylla.