- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Low, spreading shrub, 0.3-0.6 m high. Fl. yellow & purple, Oct or Dec. Sand. Interdunal flats.
Scientific Description
Genus Urodon. 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 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 10-15. Width (entire leaves only) Leaf width 2-5. Scale leaves length mm long NaN (?). 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 3-3.5. Pedicel Presence absent (flowers sessile), Indumentum hairy (?) or glabrous (?). Length Pedicel length NaN (?). Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 10-11. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow or purple, Petal claws ( the narrow base of the petals absent. Length Corolla length 12.5-13. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-12. Wings Auricles not auriculate. Length Wing length 11-12. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 11-13. 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) (?), united in an open sheath (?), united in a closed sheath (?) or united in an open sheath with one free stamen (?). Length Filament length 8-11. Ovary Placement stipitate. 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 12.5-14. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement sessile or subsessile, 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 October or December. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Yalgoo or Geraldton Sandplains.
Distribution
- IBRA Regions
- Geraldton Sandplains, Yalgoo.
- IBRA Subregions
- Edel, Geraldton Hills.
- Local Government Areas (LGAs)
- Chapman Valley, Northampton, Shark Bay.