Gompholobium polymorphum R.Br.

Scientific Description

Genus Gompholobium. Form twining or climbing plants. 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 strongly recurved, appearing terete but with one or two grooves below, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 8-30. Width (entire leaves only) Leaf width 0.6-3.2. Scale leaves length mm long NaN (?). Indumentum Presence hairy or glabrous, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 1.8-3. Bracteoles Presence present and persistent, Indumentum glabrous, Striation not striate. Length Bracteole length 2-4.5. Pedicel Presence present, Indumentum glabrous. Length Pedicel length 10-19. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 8-11. Indumentum Presence glabrous. 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 13-18. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-18. Wings Auricles not auriculate. Length Wing length 10-11.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 9-10.5. Stamens Number ten. Anthers anther length 1-1.4, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 8.5-11. 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 10-11. 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 8. Width Fruit width 8. Indumentum Presence glabrous. Flowering time January, September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance or Swan Coastal Plain.