| Habit | (2–)4–6(–8) m tall, few-branched with a compact crown | (4–)6–9 m tall, many-branched with a spreading crown | 8–20(–30) m tall, many-branched with a spreading crown |
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| Branchlet bark | Smooth, sometimes a little corky | Smooth, rarely any cork | Prominently fissured-corky |
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| Branchlets & leaves | Usually glabrous, sometimes glaucous | Glabrous, not glaucous | Pubescent when young, not glaucous |
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| Pinnae | 2(3) pairs | (1)2(3) pairs | 2 or 3 pairs |
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| Leaflets | 29–74 mm long, 27–83 mm wide, 2–5(–7) per pinna, orbicular to somewhat deltoid, not or slightly asymmetric; glabrous or slightly glaucous | 31–87 mm long, 31–80 mm wide, 3–6(–7) per pinna, orbicular to somewhat deltoid, slightly asymmetric; glabrous | 19–62 mm long, 9–48 mm wide, 5–11 per pinna, attenuate, distinctly asymmetric with scattered hairs on and near the petiolule |
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| Petiolules | 4–9(–11) mm long | 2.5–7 mm long | 1.5–4 mm long |
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| Inflorescence | Simple | Simple or once branched | Simple or once branched |
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| Raceme axis | Glabrous | Glabrous | Pubescent |
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| Floral bracts | 1.5–2.5 mm long, margins fimbriate, lamina glabrous | 0.7–0.9 mm long, margins ciliate, lamina glabrous | 0.5–0.7 mm long, margins ciliate and lamina pubescent |
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| Pedicel | 3.0–5.5 mm long | 0.5–1.2 mm long | Absent |
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| Calyx | 3.6–5.0 mm long, glabrous | 2.3–3.8 mm long, glabrous | 1.9–2.5 mm long, pubescent |
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| Calyx lobes | 1.1–2.1 mm long | 0.9–1.2 mm long | 0.5–0.9 mm long |
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| Petals | 4.2–6.4 mm long (exserted by 2.3–4.5 mm) | 2.8–3.8 mm long (exserted by 0.8–2.3 mm) | 3.1–3.3 mm long (exserted by 1.6–1.9 mm) |
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| Anthers | 1.0–1.3 mm long | 0.7–1.0 mm long | 0.60–0.7 mm long |
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| Stipe of pod | 11–33 mm long | 12–20 mm long | 8–10 mm long |
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| Aril | 3–6 mm long | 2–4.8(–7) mm long | 5–8 mm long |
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| Distribution | Great Sandy Desert, Dampier Peninsula | Wyndham to Cape York | Derby to Cape York |
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