Skip to main content

Indigofera georgei E.Pritz.
Bovine Indigo

Reference
Bot.Jahrb.Syst. 35:261 (1904)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Decumbent or erect shrub, 0.05-1.4 m high. Fl. red-purple-pink, May to Sep. Sandy soils, red often stony clay. Plains, roadsides.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1996
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 25-65 mm long, glabrous, flat with flat margins; margins entire; tubercles absent, leaflets 5-7, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 1.5-2 mm long, hairy. Bracteoles present but early deciduous. Calyx 3-3.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 8.2 mm long, multicoloured, mostly pink, red or purple, with some pink, red or purple spots, streaks or blotches; claws absent, not auriculate, wings 5.5 mm long, not auriculate, keel 6.2 mm long, not beaked, not auriculate, hairy at least in part. Stamens ten; anthers 0.8-0.9 mm long, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 5-5.7 mm long. Ovary stipitate, hairy or glandular; style 6.5 mm long, hairy or glandular towards the base, bearded (with a tuft of hairs at apex), terete. Fruit dehiscent (a pod or follicle), 30-33 mm long, 3 mm wide, sessile or subsessile, not constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in May, June, July, August and September. Occurs in the Eremaean Botanical Province, in the Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, Gibson Desert, Central Ranges, Yalgoo, Murchison and Great Victorian Desert IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Central Ranges, Gascoyne, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Pilbara, Tanami.
IBRA Subregions
Ashburton, Augustus, Carnegie, Central, Chichester, Dune Field, Eastern Murchison, Fortescue, Hamersley, Lateritic Plain, Mackay, Mann-Musgrave Block, McLarty, Rudall, Shield, Tanami Desert, Trainor, Western Murchison.
Local Government Areas (LGAs)
Ashburton, Cue, East Pilbara, Halls Creek, Kalgoorlie-Boulder, Laverton, Leonora, Meekatharra, Menzies, Ngaanyatjarraku, Sandstone, Upper Gascoyne, Wiluna.