Scientific Name:

Annual, biennial or perennial herbs without chlorophyll, parasitic upon the roots of other flowering plants.  Stems erect, with alternate scale lvs crowded towards the base.  Infl. usually a terminal spike or raceme, rarely fls solitary or in panicles.  Fls bracteate, ☿, zygomorphic.  Calyx  ± tubular, 4–5-lobed or -toothed, irregularly split, forming 2 lips or nearly regular and cup-shaped.  Corolla 5-lobed, often curved, 2-lipped to nearly regular;  lobes imbricate.  Stamens 4, didynamous, the fifth (adaxial) stamen reduced to a staminode or 0.  Ovary superior, 1-locular, with 2–4 parietal placentas; ovules numerous;  stigma ± 2-lobed.  Fr. a loculicidal capsule. Seeds small, usually numerous, with minute embryo, endospermic.

[From:  Webb et al. (1988) Flora of New Zealand. Volume 4.]

Number of species in New Zealand within Orobanchaceae
Indigenous (Endemic)16
Exotic: Fully Naturalised4
Exotic: Casual2
Cronquist, A. 1988: The evolution and classification of flowering plants. The New York Botanic Gardens, New York.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.