Electronic Flora of South Australia
Electronic Flora of South Australia
Census of SA Plants, Algae & Fungi
Identification tools

Electronic Flora of South Australia species Fact Sheet

Family: Leguminosae
Acacia helmsiana


Citation: J. H. Maiden, J. Proc. R. Soc. N.S.W. 53:174-175 (1920).

Derivation: The name commemorates the explorer Mr R. Helms who collected this species during the Elder Expedition.

Synonymy: Not Applicable

Common name: None

Shrub to 2 x 3 m, branching from ground level Branchlets slightly angled at extremities glabrous, resinous, brown, phyllode bases conspicuous on younger stems. Bark grey to reddish-brown.

Phyllodes terete or compressed, 1-2 cm long, 0.5-1.5 mm broad, straight, curved or shallowly sigmoid, resinous, 2 veined, veins obscure often brownish and impressed, apex bluntly uncinate and laterally mucronulate. Gland adjacent to the mucro. Stipules minute.

Inflorescences axillary, simple, solitary; peduncles 8-16 mm long; flower-heads globular, 6-7 mm diameter, yellow, about 20-30-flowered.

Legumes linear 4-7.5 cm long, 3-4 mm broad, curved or coiled, flat, constricted between seeds. Seeds apparently longitudinal but not seen.

Distribution:  S.Aust. in the far North-West only in. the Serpentine Lakes area. Collected from dune slopes and sandy swales. It also occurs in W.Aust. and N.T.

S.Aust.: NW.

Flowering time: June to (principally) August, ripe pods not recorded.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


line drawing

Disclaimer Copyright Disclaimer Copyright Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Government of South Australia Department for Environment and Water