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Tephrosia sp. D Kimberley Flora (R.D. Royce 1848)

Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate or sprawling shrub, to 0.5 m high. Fl. yellow/orange-brown/red, May to Sep. Red sandy soils. Plains.

Grazyna Paczkowska, Descriptive Catalogue, 7 August 1996

Scientific Description

Genus Tephrosia. Form prostrate,spreading or scrambling. Habit herb. 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, 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 60-165. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number more than three, Number of leaflets (if more than three) 7-9, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 9-10. Bracteoles Presence present and persistent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 4-5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 5-5.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when uniformly coloured) yellow or orange, Colour (when multicoloured - choose one colour) yellow or orange, Colour (when multicoloured - choose a second colour) yellow or orange, Petal claws ( the narrow base of the petals present. Length Corolla length 9-10. Indumentum Presence present. Standard Indumentum hairy at least in part, Auricles not auriculate. Length Standard length 8-9. Wings Auricles not auriculate. Length Wing length 7-7.5. Keel Auricles not auriculate, Indumentum hairy at least in part, Beak not beaked. Length Keel length 5.5-6. Stamens Number ten. Anthers anther length 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 4.5-4.8. 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 6.5-7.5. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds, Compression round in cross-section, Placement sessile or subsessile, Beak not beaked. Length Fruit length 40-45. Width Fruit width 4-6. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time May, June, July, August or September. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Great Sandy Desert, Pilbara, Little Sandy Desert, Tanami or Dampierland.

C. Hollister and K.R. Thiele, 17 April 2024

Distribution

IBRA Regions
Dampierland, Gibson Desert, Great Sandy Desert, Little Sandy Desert, Ord Victoria Plain, Pilbara, Tanami.
IBRA Subregions
Chichester, Fitzroy Trough, Lateritic Plain, Mackay, McLarty, Pindanland, Roebourne, South Kimberley Interzone, Tanami Desert, Trainor.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, East Pilbara, Halls Creek, Karratha, Port Hedland.