Cajanus cinereus (Benth.) F.Muell.

Scientific Description

Genus Cajanus. Form erect or prostrate,spreading or scrambling. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section winged, 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 65. 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 5-9.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 9-11. 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 absent. Length Corolla length 18-21. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 17-21. Wings Auricles auriculate. Length Wing length 14-21. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 15-20. Stamens Number ten. Anthers anther length 1.1-1.5, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base) or united in an open sheath with one free stamen. Length Filament length 17-21. 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 19-21. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed or round in cross-section, Placement sessile or subsessile, Beak not beaked. Length Fruit length 28-35. Width Fruit width 7-10. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time March, April, May, June, July, August, September or October. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Great Sandy Desert, Pilbara, Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain or Dampierland.