Skip to main content

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 Conservation listings displayed on Florabase may also be out of date.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.

Banksia rosserae Olde & Marriott

Reference
Nuytsia 15(1):88-91,Fig.1 (2002)
Conservation Code
Priority One
Naturalised Status
Native to Western Australia
Name Status
Current

Multi-stemmed, open-branched, lignotuberous shrub, to 3 m high, with papery bark around the base of the stems. Fl. yellow, Jul to Oct. Deep yellow sand, laterite. Plains.

Amanda Spooner, Descriptive Catalogue, 5 May 2003

Scientific Description

Shrubs, 2.5-3 m high; branchlets hairy. Leaves petiolate, alternate, 50-120 mm long, 5-12 mm wide, hairy; lamina flat, more or less the same width throughout, once divided, pinnately divided, shallowly divided, teeth pointing outwards, the margins flat. Inflorescences pubescent (with soft, straight, erect hairs), yellow, hairy. Perianth 30-32 mm long, glabrous, without awns; pistil 30-33 mm long, curved, style hairy. Follicles 10-22 mm long. Flowers in July, August, September or October. Occurs in the Eremaean (ER) Botanical Province(s), in the Murchison (MUR) IBRA subregion(s). : Conservation code Priority One (P1).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

IBRA Regions
Jarrah Forest, Murchison.
IBRA Subregions
Eastern Murchison, Southern Jarrah Forest.
Local Government Areas (LGAs)
Mount Magnet, Plantagenet.