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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Plant of the Month
January 2026

POTM

Persoonia helix P.H.Weston

Image

Here is a twist on the classic Snottygobble: Persoonia helix, one of many species in the genus and a member of the Persoonioideae tribe of the Proteaceae family. Persoonia helix is an erect, spreading shrub, to 0.4–2.8 m high, usually with several to many stems branching from the base or regenerating after disturbance from an underground lignotuber. A distinctive feature of the species is the slightly rigid, leathery leaves that are twisted through up to six complete turns and gives rise to the species epithet, from the Greek helix, a spiral. Yellow flowers are borne usually between the leaf axis close to the stem apex and have four tepals that recurve back towards the base, exposing the stamens and stigma. The yellow colouration would hint at insect pollination, which leads to a one, or sometimes two, seeded fruit.

Persoonia helix grows in yellow or white sand or sandy loam, often over laterite, in mallee-heath or mallee woodland where it is common. It can be found in an area roughly bounded by Kalgoorlie, Hyden, Ravensthorpe and Salmon Gums.

Photo: A. Markey

Find out more about Persoonia helix P.H.Weston