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Indigastrum parviflorum (Wight & Arn.) Schrire

Reference
Bothalia 22:168 (1992)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect annual, herb, 0.3-0.5 m high. Fl. pink-red/brown-orange, Apr to May. Heavy soils.

Grazyna Paczkowska, Descriptive Catalogue, 19 June 1996

Scientific Description

Genus Indigastrum. 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 25-35. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number one (unifoliate) or more than three, Number of leaflets (if more than three) 1(-9), Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. 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 ) (?), Glands with glands (?) or without glands (?), Ribs ribbed (?) or 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. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3-4. 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 present (?) or absent (?). Length Corolla length 6-6.5. Indumentum Presence absent. Standard Indumentum glabrous, Auricles auriculate (?) or not auriculate (?). Length Standard length 5-5.3. Wings Auricles auriculate (?) or not auriculate (?). Length Wing length NaN (?). 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 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 NaN (?). Ovary Placement stipitate (?) or 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) (?), indehiscent and not splitting into sections (?) or indehiscent and splitting into sections (schizocarps) (?), Constriction constricted between the seeds (?) or not constricted between the seeds (?), Compression flat or compressed (?) or round in cross-section (?), Placement stipitate (?) or sessile or subsessile (?), Beak beaked (?) or not beaked (?). Length Fruit length 30-40. Width Fruit width 3. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time April or May. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Pilbara, Northern Kimberley, Victoria Bonaparte, Central Kimberley or Ord-Victorian-Plain.

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

Distribution

IBRA Regions
Central Kimberley, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami, Victoria Bonaparte.
IBRA Subregions
Berkeley, Chichester, Hamersley, Hart, Keep, Mitchell, Mount Eliza, Pentecost, Purnululu, Roebourne, South Kimberley Interzone, Tanami Desert.
Local Government Areas (LGAs)
Ashburton, Derby-West Kimberley, East Pilbara, Halls Creek, Karratha, Port Hedland, Wyndham-East Kimberley.