Hybanthus monopetalus
ζ*Hybanthus monopetalus (Schultes) Domin ζ*, with blue-mauve fls in racemes and the anterior petal 3-6× as long as lateral and posterior petals, is known from one early collection (recorded as Ionidium filiforme (DC.) F. Muell.) from Auckland City. (Australia, 1899).
