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Jacksonia pungens Chappill

Reference
Austral.Syst.Bot. 20:587-590, Fig. 72 (2007)
Conservation Code
Threatened
A taxon name retains its ‘Threatened’ status until a new name has been officially endorsed and appears in the Gazettal Notice.
Naturalised Status
Native to Western Australia
Name Status
Current

Rounded shrub, 0.45-0.8 m high. Fl. orange, Nov to Dec. Yellow sand, gravelly lateritic soils. Undulating areas.

Grazyna Paczkowska, Descriptive Catalogue, 25 June 1996
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades absent or apparently so (reduced to scales), alternate, continuous with stem, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, 1-3.5. Stipules apparently absent even from the youngest leaves. Pedicel present, 3-10 mm long, hairy. Bracteoles present and persistent, 5.5-10 mm long, hairy, not striate. Calyx 12-16 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 16-17 mm long, multicoloured, orange, mostly yellow, red or orange, with some yellow, red or orange spots, streaks or blotches; claws present; standard 10-11 mm long, glabrous, not auriculate, wings 11-12 mm long, not auriculate, keel 11-12.5 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 1-1.3 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 11-13 mm long. Ovary stipitate, hairy or glandular; style 11-14 mm long, hairy or glandular towards the base, not bearded, terete. Fruit stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in November and December. Occurs in the South-West Botanical Province, in the Geraldton Sandplains and Avon Wheatbelt IBRA regions. Conservation Code Threatened (T).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Coorow, Dalwallinu, Moora.