Gompholobium pungens Chappill

Scientific Description

Genus Gompholobium. 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 spiny at least in part. Leaves or phylloclades Presence clearly present, Position opposite, Leaves compound, Leaves or phylloclade continuous with stem continuous with stem, Cross section of leaf or leaflet strongly recurved, appearing terete but with one or two grooves below, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 17-72. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number more than three, Number of leaflets (if more than three) 8-17, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk sessile. Indumentum Presence hairy, Type simple. 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 present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 1.2-1.5. Pedicel Presence present, Indumentum hairy. Length Pedicel length 7-7.2. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 4-4.5. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, pink or purple, Colour (when multicoloured - choose a second colour) yellow, pink or purple, Petal claws ( the narrow base of the petals present. Length Corolla length 8. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 7.6. Wings Auricles not auriculate. Length Wing length 7. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 6.5. Stamens Number ten. Anthers anther length 0.9-1, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 4.2-5.3. Ovary Placement stipitate (?) or sessile or subsessile (?). Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 5. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement stipitate (?) or sessile or subsessile (?), Beak not beaked. Length Fruit length 7. Width Fruit width 8. Indumentum Presence glabrous. Flowering time August or September. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains, Jarrah Forest or Swan Coastal Plain.