Classification
Kingdom: Plantae (2629)
Phylum: Tracheophyta (2532)
Class: Magnoliopsida (2141)
Order: Asterales (236)
Family: Asteraceae (220)(family description)
Genus: Emilia (3)
Epithet: fosbergii Nicolson (1)
Synonyms: Cacalia coccinea Sims, Cacalia gracilis Bojer, Cacalia sagittata Willd., Cacalia tenuissima Boj., Emilia coccinea G.Don (Sims), Emilia gracilis DC., Emilia marivelensis Elmer, Emilia prenanthoides C.B.Rob., Emilia sagittata L.H.Bailey, Emilia sonchifolia Bello, Senecio auriculatus Burm.f., Senecio javanicus Koord., Sonchus javanicus Spreng.
auriculatus => ear-shaped
coccinea => scarlet
fosbergii => in honor of Francis Raymond Fosberg (1908-1993), US botanist specialized in the floras of California, South America and Polynesia
gracilis => slender, graceful
sagittata => possessing or resembling an arrow
sonchifolia => having leaves like Sonchus