21. It grows to between 0.3 and 1 metre high and has rigid, terete phyllodes . 22. The bright yellow flowerheads appear in groups of up to four in the axils of the phyllodes . 23. It grows to a height of and has phyllodes ( flattened leaf stalks ) instead of true leaves. 24. As with many arid shrubland " Acacia " species, it has phyllodes instead of leaves. 25. It has sickle-shaped phyllodes up to 20 cm long, and perfumed cream-coloured flowers. 26. It grows to 2 metres high and has decurrent phyllodes which are and falcate or sigmoidal in shape. 27. The cream to yellow flowerheads appear in racemes of 4 to 10 in the axils of the phyllodes . 28. It can be distinguished by the dimensions of the phyllodes , gland position, and the flower colour. 29. They bore in the stem of their host plant, tying cut phyllodes at the entrance to the bore. 30. It grows to up to 1 metre high and has prickly phyllodes which are 4 to 15 mm long.
