- Reference
- Prodr. 2:385 (1825)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Prostrate or twining perennial, herb or climber, 0.15-3 m high. Fl. yellow/orange-yellow, Jan to Nov. Variety of habitats.
Scientific Description
Genus Rhynchosia. Form twining or climbing plants. 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 not continuous with stem (?) or 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 present. Length Leaf length 13-40. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number three, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence hairy. Stipules Presence present and persistent to older leaves, Glands with glands, Ribs ribless. Length Stipule length 2.8-3. Bracteoles Presence absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 1-2. Calyx Pustules or glands present, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3.5-4. 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 6-7.5. Indumentum Presence absent. Standard Indumentum glabrous, Auricles auriculate. Length Standard length 6-7. Wings Auricles not auriculate. Length Wing length 6-7. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 6-7. Stamens Number ten. Anthers anther length 0.3-0.4, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 5-6. 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 6-6.5. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, Beak not beaked. Length Fruit length 12-15. Width Fruit width 3-4. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time January, February, March, April, May, June, July, September, October or November. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, Great Victorian Desert, Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain or Dampierland.
Distribution
- IBRA Regions
- Carnarvon, Central Kimberley, Dampierland, Gascoyne, Great Victoria Desert, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Victoria Bonaparte.
- IBRA Subregions
- Ashburton, Augustus, Berkeley, Cape Range, Central, Chichester, Fitzroy Trough, Fortescue, Hamersley, Hart, Keep, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu, Roebourne, Rudall, South Kimberley Interzone, Wooramel.
- IMCRA Regions
- Bonaparte Gulf, Pilbara (nearshore), Pilbara (offshore).
- Local Government Areas (LGAs)
- Ashburton, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Ngaanyatjarraku, Port Hedland, Upper Gascoyne, Wyndham-East Kimberley.