Indigofera linifolia (L.f.) Retz.

Scientific Description

Genus Indigofera. Form erect. 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 simple, Leaves or phylloclade continuous with stem continuous with stem, Cross section of leaf or leaflet flat with recurved margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 15-40. Width (entire leaves only) Leaf width 1-2. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present but early deciduous, Indumentum hairy, Striation not striate. Length Bracteole length 2. Pedicel Presence present, Indumentum hairy. Length Pedicel length 0.5-0.6. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3-4.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) pink or red, Colour (when multicoloured - choose a second colour) pink or red, Petal claws ( the narrow base of the petals absent. Length Corolla length 3-4. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 3-4. Wings Auricles not auriculate. Length Wing length 2.5-3. Keel Auricles auriculate (?) or not auriculate (?), Indumentum hairy at least in part (?) or glabrous (?), Beak beaked (?) or not beaked (?). Length Keel length NaN (?). Stamens Number ten. Anthers anther length NaN (?), Position all at the same level (filaments all the same loength) (?) or at two different levels (filaments alternately long and short) (?). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 2.5-4. Ovary Placement sessile or subsessile. Indumentum Presence hairy or glandular (?) or glabrous (?). Style Indumentum hairy or glandular towards the base (?) or glabrous (?), Bearded ( with a tuft of hairs at apex ) bearded (with a tuft of hairs at apex) (?) or not bearded (?), Apex terete (?) or flattened at apex (?). Length Style length NaN (?). 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 2-2.5. Width Fruit width 2-2.5. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time March, April, May, June, July or September. Distribution Botanical Province Northern, Eremaean or South-West, IBRA Bioregion Great Sandy Desert, Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, Central Ranges, Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain, Tanami, Dampierland or Geraldton Sandplains.