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 Conservation listings displayed on Florabase may also be out of date.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

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Scaevola hamiltonii K.Krause

Reference
Engl., Pflanzenr. 277(Heft 54):153 (1912)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Stiff, erect perennial, herb, 0.2-0.5 m high. Fl. white-blue, Aug to Dec. Sandy soils.

Grazyna Paczkowska, Descriptive Catalogue, 20 March 1996

Scientific Description

Stems ribbed. Leaves flat, 15-110 mm long, 2-20 mm wide, Indumentum present, with sparse, glandular hairs; margins entire or toothed. Bracteoles present, 7-9 mm long, hairy, with glandular hairs. Pedicel pedicellate, Pedicel length the pedicels 1.5-4 mm long, Indumentum present, Hair type with glandular hairs. Calyx lobes present, Calyx length 0.8-1.5 mm long, hairy, with dense, simple hairs. Corolla white or cream, 10-25 mm long, without auricles, not spurred, hairy on the outside, with sparse, simple hairs, hairy on the inside, 1.3-2 mm wide. Anthers free. Ovary inferior, not gibbose; style 9-11 mm long, glabrous; indusium single, hairy; ovules one or two. Flowers in August, September, October, November and December. Occurs in the Yalgoo (YAL), Geraldton Sandplains (GS) and Avon Wheatbelt (AW) IBRA Region(s), of the Eremaean (E) and South West (SW) Botanical Province.

C. Hollister and K.R. Thiele, 2 August 2023

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Yalgoo.
IBRA Subregions
Edel, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Tallering.
Local Government Areas (LGAs)
Carnamah, Chapman Valley, Coorow, Dalwallinu, Dowerin, Greater Geraldton, Kellerberrin, Mingenew, Moora, Morawa, Mount Marshall, Northampton, Perenjori, Quairading, Shark Bay, Tammin, Three Springs, Wongan-Ballidu, Yalgoo.