Sphaerolobium scabriusculum Meisn.

Scientific Description

Genus Sphaerolobium. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence absent or apparently so (reduced to scales). Stipules Presence apparently absent even from the youngest leaves, Glands without glands, Ribs ribless. Bracteoles Presence present and persistent (?), absent (?) or present but early deciduous (?), Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum glabrous. Length Pedicel length 2-2.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 4.5-7. Indumentum Presence glabrous. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow, Petal claws ( the narrow base of the petals present (?) or absent (?). Length Corolla length 9-12. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 9-9.5. Wings Auricles not auriculate. Length Wing length 6-9. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 6-10. Stamens Number ten. Anthers anther length 0.8-1, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 7-8. Ovary Placement stipitate. Indumentum Presence hairy or glandular (?) or glabrous (?). Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete (?) or flattened at apex (?). Length Style length 8-13. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds (?) or not constricted between the seeds (?), Compression flat or compressed (?) or round in cross-section (?), Placement stipitate (?) or sessile or subsessile (?), Beak beaked (?) or 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 or November. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest, Warren, Esperance or Swan Coastal Plain.