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glabrous; stipular spines small, subulate, white; pinnæ 4–7-jugate, with glands between the pairs, and a large shield-like petiolar-gland; leaflets 12–30-jugate, narrow-linear, obtuse; peduncles axillary, fascicled, bracteated below the middle; heads globose; legume …? Bark of the twigs and branches very pale, whitish. Leaflets drying dark, 3 lines long, 1/2 line wide. Bentham suspects that this is the same as A. robusta, but the specimens look different. This has much smaller leaflets, well-marked jugal, large petiolar gland, and pale bark. A clavigera, E. Mey., which I have not seen, seems to agree better with A. robusta.