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Indigofera ammobia Maconochie

Reference
J.Adelaide Bot.Gard. 2:325-326 (1980)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Many-stemmed shrub, to 0.5 m high. Fl. green & purple, Sep. Red sand. Sand dunes.

Grazyna Paczkowska, Descriptive Catalogue, 19 June 1996
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like) or herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 10-40 mm long, 0.5-1.5 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 0.5-1 mm long, without glands, ribless. Pedicel present, 0.7-1 mm long, hairy. Bracteoles present but early deciduous. Calyx 1.5-2 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 5-5.5 mm long, multicoloured, mostly green, purple or white, with some green, purple or white spots, streaks or blotches; claws absent; standard 4-4.5 mm long, glabrous, not auriculate, wings 3-3.4 mm long, not auriculate, keel 3.4-5 mm long, not beaked, not auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 2.7-3.5 mm long. Ovary stipitate, glabrous; style 3-3.2 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), 30-32 mm long, 2-3 mm wide, sessile or subsessile, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in September. Occurs in the Northern and Eremaean Botanical Province, in the Great Sandy Desert, Pilbara, Ord-Victorian-Plain and Dampierland IBRA regions. Conservation Code Priority Three (P3).

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

Distribution

IBRA Regions
Central Kimberley, Dampierland, Great Sandy Desert, Ord Victoria Plain, Pilbara.
IBRA Subregions
Chichester, Mackay, McLarty, Pentecost, Pindanland, South Kimberley Interzone.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, East Pilbara, Halls Creek, Wyndham-East Kimberley.