Zanthoxylum rhetsa (Roxb.) DC.

Prodr. 1:728 (1824)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Scientific Description

Tree or shrub, spines present; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, glabrous. Leaves alternate, compound, 125-270 mm long, with 9-25 leaflets, each 9-19 mm long, 14-25 mm wide, flat, the margins flat, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers pedicels 1.5-6 mm long; calyx present, 0.5-1 mm long, smooth, without distinct raised glands, glabrous; corolla white or cream, petals four, 1.5-2 mm long, imbricate (overlapping), free, glabrous. Flowers in January, February, November and December. Occurs in the Northern Botanical Province, in the North Kimberley IBRA region(s).

C. Hollister and K.R. Thiele, 8 December 2020


IBRA Regions
Northern Kimberley.
IBRA Subregions
Berkeley, Mitchell.
IMCRA Regions
Local Government Areas (LGAs)
Wyndham-East Kimberley.