 a stem on which the parts of the flower are carried) and that their "anther" consists of two closely pressed structures each made up of a tepal with a fused anther inside it.Either way, the flowers of "Haptanthus hazlettii" have "a morphology unlike that of any other angiosperm".The sole species was first discovered in 1980 when a single specimen was collected by Donald L. Hazlett.