Gompholobium tomentosum Labill.
Hairy Yellow Pea

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 not spiny. Leaves or phylloclades Presence clearly present, Position alternate, 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 10-20. 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) 5-7, 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 4.6-5.5. Pedicel Presence present, Indumentum hairy. Length Pedicel length 3.5-4. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 4.5-10.2. 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 present. Length Corolla length 11-16. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 11-14. Wings Auricles not auriculate. Length Wing length 10.5-12.5. Keel Auricles not auriculate, Indumentum hairy at least in part, Beak not beaked. Length Keel length 10-11.2. Stamens Number ten. Anthers anther length 0.7-1, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 5.6-7.3. 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 NaN (?). 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, Indumentum type with simple hairs. Flowering time January, July, August, September, October, November or December. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Yalgoo, Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance or Swan Coastal Plain.