Tephrosia sp. clay soils (S. van Leeuwen et al. PBS 0273)

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 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 45-80. 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) 5, Arrangement palmately arranged. Terminal leaflet Presence present, Stalk sessile. Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 5.2-7.5. 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 2-2.5. Calyx Pustules or glands absent, 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) orange, Petal claws ( the narrow base of the petals present. Length Corolla length 8-8.5. Indumentum Presence present. Standard Indumentum hairy at least in part, Auricles not auriculate. Length Standard length 7-8. Wings Auricles not auriculate. Length Wing length 6-7. Keel Auricles not auriculate, Indumentum hairy at least in part, Beak not beaked. Length Keel length 6-7.5. Stamens Number ten. Anthers anther length NaN (?), 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. 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 6-7. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds, Compression flat or compressed, Placement stipitate (?) or sessile or subsessile (?), Beak not beaked. Length Fruit length 35-50. Width Fruit width 3-5. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time May. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara, Gascoyne or Murchison.