Indigofera ammobia Maconochie
J.Adelaide Bot.Gard. 2:325-326 (1980)

Conservation Code: Priority Three
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Wednesday 19 June 1996

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

Distribution

Beard’s Provinces: Eremaean Province, Northern Province.

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.

Scientific Description
C. Hollister and K.R. Thiele, Friday 17 January 2020

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).