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 Conservation listings displayed on Florabase may also be out of date.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

Daviesia obovata Turcz.

Reference
Bull.Soc.Imp.Naturalistes Moscou 26(1):262 (1853)
Conservation Code
Threatened
A taxon name retains its ‘Threatened’ status until a new name has been officially endorsed and appears in the Gazettal Notice.
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, slender shrub, 0.7-1.5 m high. Fl. yellow & black, Sep to Nov. Stony loam, sandy loam. Hillslopes, outcrops.

Ben Richardson, Descriptive Catalogue, 2 September 2019
Image

Scientific Description

Genus Daviesia. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence clearly present, Position alternate, Leaves simple, Leaves or phylloclade continuous with stem continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 40-105. Width (entire leaves only) Leaf width 10-50. Scale leaves length mm long NaN (?). Indumentum Presence glabrous. Stipules Presence apparently absent even from the youngest leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum glabrous. Length Pedicel length 1.5-2.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 8-9. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or black, Colour (when multicoloured - choose a second colour) yellow or black, Petal claws ( the narrow base of the petals present. Length Corolla length 10-12. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-12. Wings Auricles not auriculate. Length Wing length 9-9.5. Keel Auricles not auriculate, Indumentum glabrous, Beak beaked. Length Keel length 7.5-8. Stamens Number ten. Anthers anther length 0.3-0.6, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 6-7. Ovary Placement sessile or subsessile. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 7. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, Beak beaked. Length Fruit length 15-20. Width Fruit width 8-12. Indumentum Presence glabrous. Flowering time September or October. Distribution Botanical Province South-West, IBRA Bioregion Esperance. Conservation Code Threatened (T).

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

Distribution

IBRA Regions
Esperance Plains.
IBRA Subregions
Fitzgerald.
Local Government Areas (LGAs)
Gnowangerup, Plantagenet, Ravensthorpe.