Dioec. root-parasite. Spadices aggregated in terminal capitula surrounded by scale lvs. Fls densely crowded; ♂ with 0-2-(4) filamentous per.-segs, and us. single stamen with short filament and one adnate bilobed anther; ♀ with per. adnate to ovary, with subulate processes, ovary 2-loculed, style filiform, stigma simple; fr. a hard-walled nut, one-seeded. Rhizome ± hemispherical, attached over broad irregular surface to expanded end of host root; shoots ∞, arising irregularly, lvs entire, sessile. One sp. endemic to N.Z.
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