- Reference
- Austral.Syst.Bot. 20:484-487, Fig. 6 (2007)
- Conservation Code
- Priority Three
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Erect shrub, 1.5-2.5 m high. Fl. yellow & red, Apr. White or grey sand. Sandplains.
Scientific Description
Genus Jacksonia. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, Pustules or glands absent, Striation (stems ribbed) striate, Cross section angular, 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 flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 25-130. Width (entire leaves only) Leaf width 11-20. Scale leaves length mm long 3-6.5. 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 2-7. Pedicel Presence present, Indumentum hairy. Length Pedicel length 4. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 16-17. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or red, Colour (when multicoloured - choose a second colour) yellow or red, Petal claws ( the narrow base of the petals present. Length Corolla length 20. Indumentum Presence absent. Standard Indumentum glabrous, Auricles auriculate. Length Standard length 14. Wings Auricles not auriculate. Length Wing length 7-11.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 10-12.5. 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) or united in an open sheath with one free stamen. Length Filament length 10-14. Ovary Placement stipitate (?) or 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 12. 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 15-16. Width Fruit width 6-8. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time April. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains. Conservation Code Priority Three (P3).
Distribution
- IBRA Regions
- Geraldton Sandplains.
- IBRA Subregions
- Lesueur Sandplain.
- Local Government Areas (LGAs)
- Carnamah, Coorow, Dandaragan.