Taken with permisison and adapted from Plant pirates - some NZ parasitic plants by Miriam A. Aiken, Tuatara: Volume 6, Issue 3, December 1957.
Holoparasites, devoid of chlorophyll or nearly so, brownish root parasites or yellow leafless twining stems.
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Hemiparasites, possessing some chlorophyll, twiggy shrubs with green leaves or jointed succulent stems; or green-yellow twining stems.
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Parasitic on shoots, plant body a yellow, leafless twining stem.
Go to Cuscuta (Cuscuta campestris, C. epithymum, C. europaea, C. planiflora, C. suaveolens).
Parasitic on roots, plant body not twining.
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Plant body erect, a purplish-brown succulent aerial stem with sessile flowers; attachment to host subterranean by haustorium.
Go to Orobanche (Orobanche minor)
Plant body a spherical brown warty subterranean rhizome, giving off brown scale-covered inflorescences which project above ground, attachment region causing modification to host root.
Go to Dactylanthus (Dactylanthus taylorii)
Plant body wiry, filiform, twining, pale green-yellow.
Go to Cassytha (Cassytha paniculata, C. pubescens)
Plant body bearing green leaves or having succulent stems.
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Attachment to host at one point only, main root forming a single haustorium.
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Attachment to host at many points, branching lateral root forming many sucker contacts.
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Plant leafless, but having green jointed succulent stems, either flattened or rounded.
Go to Korthalsella (Korthalsella clavata, K. lindsayi, K. salicornioides)
Plant with thin green leaves, a twiggy shrub, flowers usually unisexual.
Go to Tupeia (Tupeia antarctica)
Leaves large, 1-1 ½-3 in. long, flowers minute, greenish, ovary 1-celled.
Go to Ileostylus (Ileostylus micranthus)
Leaves usually smaller, 1 ½-3 in. long, flowers brightly coloured, ovary 2 or more celled.
Go to Peraxilla (Peraxilla tetrapetala, P. colensoi)