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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Indigofera sessiliflora DC.

Reference
Prodr. 2:228 (1825)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Semi-prostrate annual or biennial, herb, to 0.05 m high. Fl. red, Sep. Sand. Dunes.

Amanda Spooner, Descriptive Catalogue, 17 August 2007

Scientific Description

Erect, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 15-20 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 5-7, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves. Bracteoles present but early deciduous. Corolla uniformly coloured, red. Stamens ten; filaments united in an open sheath with one free stamen. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, round in cross-section, not beaked. Flowers in September. Occurs in the Eremaean Botanical Province, in the Pilbara IBRA regions.

C. Hollister and K.R. Thiele, 17 April 2024

Distribution

IBRA Regions
Pilbara.
IBRA Subregions
Chichester, Roebourne.
Local Government Areas (LGAs)
East Pilbara, Port Hedland.