Gompholobium shuttleworthii Meisn.

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 flattened, Spiny on any part of plant not spiny. Leaves or phylloclades Presence clearly present, Position whorled, Leaves compound, Leaves or phylloclade continuous with stem not 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 5-12. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number of leaflets (if more than three) 5-9, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk sessile (?) or stalked (?). Indumentum Presence glabrous. 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 glabrous, Striation not striate. Length Bracteole length 2. Pedicel Presence present, Indumentum glabrous. Length Pedicel length 2.5-5.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 8-9. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) pink or purple, Colour (when multicoloured - choose a second colour) pink or purple, Petal claws ( the narrow base of the petals present. Length Corolla length 10-13. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-11. Wings Auricles not auriculate. Length Wing length 8.5-10.3. Keel Auricles not auriculate, Indumentum hairy at least in part, Beak not beaked. Length Keel length 9-9.5. Stamens Number ten. Anthers anther length 1.2-1.4, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 6.2-8.6. 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 8. 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 NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee or Swan Coastal Plain.