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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

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Boronia interrex R.L.Barrett, M.D.Barrett & Duretto
Prince Regent River Boronia

Reference
Nuytsia 26: 95-97, 99, Figs 3, 4A-B, 5A, 6A, 7A-B, 8A-B, 9A (2015)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, covered in hairs or scales, the hairs stellate (star-shaped). Leaves opposite, compound, 12-32 mm long, with 7-15 leaflets, each 2-7 mm long, 1.5-3.5 mm wide, flat, the margins flat, smooth, without distinct raised glands, covered in hairs or scales, with stellate (star shaped) hairs; stipular excrescences absent. Flowers; pedicels 4-5 mm long, smooth, without distinct raised glands; corolla pink, petals four, 4-4.5 mm long, imbricate (overlapping), free, hairy on the surfaces; stamens twice as many as petals. Flowers in January. Occurs in the Northern Botanical Province, in the North Kimberley IBRA region(s). Conservation Code: Priority Two (P2).

C. Hollister and K.R. Thiele, 14 November 2023

Distribution

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