Indigofera rotula Peter G.Wilson

Scientific Description

Genus Indigofera. 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 20-45. Width (entire leaves only) Leaf width 6-22. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence apparently absent even from the youngest leaves (?), present and persistent to older leaves (?) or present but early deciduous ( only visible on youngest leaves ) (?), Ribs ribless. Length Stipule length NaN (?). Bracteoles Presence present and persistent (?), absent (?) or present but early deciduous (?), Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 1-1.5. Calyx Enlarged in fruit not accrescent. Length Calyx length 2-2.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) purple, Colour (when multicoloured - choose a second colour) red, Petal claws ( the narrow base of the petals present (?) or absent (?). Length Corolla length 8. Indumentum Presence absent. Standard Indumentum glabrous, Auricles auriculate (?) or not auriculate (?). Length Standard length NaN (?). Wings Auricles auriculate (?) or not auriculate (?). Length Wing length 4-5. Keel Auricles auriculate (?) or not auriculate (?), Indumentum hairy at least in part (?) or glabrous (?), Beak beaked (?) or not beaked (?). Length Keel length 6-6.5. Stamens Number ten. Anthers anther length NaN (?), 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 4-5. Ovary Placement stipitate. Indumentum Presence glabrous. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete (?) or flattened at apex (?). Length Style length 6.5-8. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, 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 May, July, August or September. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara, Carnarvon, Gascoyne or Murchison. Conservation Code Priority Three (P3).