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Pultenaea brachytropis Benth.

Edwards's Bot.Reg. 27: Misc. 40 (1841)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Erect shrub, to 1.5 m high. Fl. yellow/orange-red, Sep to Nov. Gravelly sands or clay, grey sandy loam, laterite, granite. Slopes, ridges, plateaus, along creeks.

Amanda Spooner, Descriptive Catalogue, 25 May 2003

Scientific Description

Genus Pultenaea. 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 simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins or strongly recurved, appearing terete but with one or two grooves below, Margins of leaf or leaflet entire (?), lobed (?) or dentate (?), Tuberculate tuberculate, Pustules or glands absent. Length Leaf length 7.5-23. Width (entire leaves only) Leaf width 1.5-4. Scale leaves length mm long NaN (?). 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 present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 3.8-4. Pedicel Presence present or absent (flowers sessile), Indumentum hairy. Length Pedicel length 0.5-1. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 6.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, red or orange, Colour (when multicoloured - choose a second colour) yellow, red or orange, Petal claws ( the narrow base of the petals present. Length Corolla length 10-11. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 9.5-10. Wings Auricles not auriculate. Length Wing length 8-8.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 5.5-6. Stamens Number ten. Anthers anther length 0.4-0.5, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 2.2-5. 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 3.8-4.2. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, Beak 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 September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest, Warren or Swan Coastal Plain.

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


IBRA Regions
Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Augusta Margaret River, Busselton, Denmark, Nannup.