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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 Conservation listings displayed on Florabase may also be out of date.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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Cajanus latisepalus (S.T.Reynolds & Pedley) Maesen

Reference
Agric.Univ.Wageningen Pap. 85-4:139 (1986)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect or sprawling shrub, 0.6-2 m high. Fl. yellow, Mar to Aug. Sandy or gravelly soils, sandstone, basalt. Sandplains, rocky slopes.

Grazyna Paczkowska, Descriptive Catalogue, 27 May 1996

Scientific Description

Genus Cajanus. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, 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 compound, Leaves or phylloclade continuous with stem not 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 35. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number three, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older 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 hairy. Length Pedicel length 6(-10). Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 12-15. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow, Petal claws ( the narrow base of the petals present. Length Corolla length 13-20. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 11-18. Wings Auricles not auriculate. Length Wing length 12-13(-15). Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 12-14. Stamens Number ten. Anthers anther length 1-1.1, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 12-15. Ovary Placement sessile or subsessile. Indumentum Presence hairy or glandular. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 13-15. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, Beak not beaked. Length Fruit length 20. Width Fruit width 9-10. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time March, April, May, June, July or August. Distribution Botanical Province Northern, IBRA Bioregion Northern Kimberley, Victoria Bonaparte, Central Kimberley or Ord-Victorian-Plain.

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

Distribution

IBRA Regions
Central Kimberley, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Berkeley, Hart, Keep, Mount Eliza, Pentecost, Purnululu.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.