Gastrolobium celsianum (Lem.) G.Chandler & Crisp

Scientific Description

Genus Gastrolobium. 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 opposite, Leaves simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 20-80. Width (entire leaves only) Leaf width 10-30. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 2-2.5. Bracteoles Presence present but early deciduous, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 3-5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 13-15. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) red, Petal claws ( the narrow base of the petals absent. Length Corolla length 22-28. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 14.5-18. Wings Auricles not auriculate. Length Wing length 13-17. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 21-27. Stamens Number ten. Anthers anther length 1.2-1.3, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 19-26. 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 22-31. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement stipitate, 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 August, September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Jarrah Forest, Mallee, Esperance or Swan Coastal Plain.