Nelsia Schinz

Partial inflorescences consisting of two solitary fertile flowers accompanied by one or two lateral bracteolate triads of a central fertile flower subtended by two lateral bracteolate sterile flowers; sterile flowers consisting of long, narrowly bracteoliform, plumose-pilose processes, some short scale-like processes (probably reduced perianths) frequently also present at fruit-fall; partial inflorescences (in the one species in which ripe fruit is known) very indurate at the base in fruit, falling as a burr-like unit complete with bracteoles.