Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Pleasantly or unpleasantly odoriferous subshrubs to small trees. Leaves opposite, rarely whorled, palmately trifoliolate, or rarely, unifoliolate (Z. veronicea); lateral leaflets similar to terminal ones but usually smaller. Inflorescence axillary, cymose; bracts persistent (in Victoria). Flowers bisexual; sepals 4, basally fused; petals 4, valvate or imbricate, free, deciduous; stamens 4, free, all fertile, opposite sepals, erect; disc 4-lobed, lobes distinct, gland-like, opposite stamens; carpels 4, more or less free, lacking sterile apex, style terminal on ovary, stigma capitate. Fruit of 1-4 follicles; follicles not transversely ridged, with rounded apices; seeds elliptic, dull, black, released explosively with elastic endocarp.

A genus of 44 species; all but one endemic to eastern Australia, the other to New Caledonia.

Source: Duretto, M.F. (1999). Rutaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
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