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Cajanus hirtopilosus Maesen

Reference
Austral.Syst.Bot. 16:220-221,Figs 1b,2 (2003)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rampant, aromatic climber, to 8 m high. Fl. yellow, May to Jun. Sand, black soil. Seepage areas, creeks.

Amanda Spooner, Descriptive Catalogue, 8 December 2003

Scientific Description

Genus Cajanus. Form twining or climbing plants. Habit tree (?), shrub, spindly shrub (broom-like) (?) or herb (?). 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 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 95-130. 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 or gland-tipped. 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 4.5-8.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 7.5-10.5. 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 9-15. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8(-10). Wings Auricles not auriculate. Length Wing length 9.5. Keel Auricles auriculate (?) or not auriculate (?), Indumentum hairy at least in part (?) or glabrous (?), Beak beaked (?) or not beaked (?). Length Keel length NaN (?). Stamens Number ten. Anthers anther length 0.7, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 9-9.5. 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 12. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds (?) or not constricted between the seeds (?), Compression flat or compressed (?) or round in cross-section (?), Placement stipitate (?) or sessile or subsessile (?), Beak beaked (?) or not beaked (?). Length Fruit length NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time May or June. Distribution Botanical Province Northern, IBRA Bioregion Northern Kimberley.

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

Distribution

IBRA Regions
Northern Kimberley.
IBRA Subregions
Berkeley, Mitchell.
Local Government Areas (LGAs)
Derby-West Kimberley, Wyndham-East Kimberley.