The seed pods, legumes, are light brown and curved, 5–10 cm long and 5-10mm wide, constricted between the seeds and breaking easily into one-seeded segments.
Each flower head consists of about 20 minute flowers.
Yellow to orange globular flower heads of 5-6mm diameter, singular or 2 to 5 in short axillary racemes, sit on sparsely pubescent peduncles 4-10mm long. Two to four glands are found below the center of the phyllode and near the mucro. The tip of the phyllode is obtuse with a mucro, a small hard point, pointing downward. They have a prominent yellowish mid-vein, lateral veins not apparent. The phyllodes, appearing like leaves, are light to blue green, usually linear-oblong, slightly curved, 3–10 cm long and 4-10mm wide, thick and hairless, and wrinkled during dry periods. Its branchlets are angular with yellowish ribs, often with hair. The bark is often grooved at the base, but is otherwise smooth. Description Īcacia ligulata grows as an erect or spreading shrub, 2 to 4 meters tall and 3 meters across, sometimes dome-shaped, often branching from the ground. The latter name (pronounced what-ARR-kah ) is the Luritja word for the species, and gives its name to the Aboriginal ( Luritja and Arrernte ) name for Kings Canyon, as well as the Watarrka National Park, in the Northern Territory. Ĭommon names include sandhill wattle, umbrella bush, marpoo, dune wattle, small coobah, wirra, and watarrka. The shape of the phyllodes named the species ligulata, meaning strap-like or with a small tongue in Latin. The genus Acacia is derived from the Greek akakia, referring to sharp thorns. Its common names include sandhill wattle, umbrella bush, marpoo, dune wattle, small coobah, wirra, and watarrka (also spelt watarka). Acacia ligulata is a species of Acacia, a dense shrub widespread in all states of mainland Australia.
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