1	"Inflorescences enclosed in a pair of large bracts"	2
1	"Inflorescences not enclosed in a pair of large bracts"	3
2	"Stipules 2–8 mm long, connate for up to 3 mm, glabrous; Inflorescences sessile; fruits obloid, flattened at each end, red, 7–14 mm long, 12–18 mm wide; anthers ovoid; Wet Tropics"	"Ixora biflora"
2	"Stipules 2.5–4.5 mm long, shortly connate for c. 0.5 mm, sparsely puberulent inside with dense colleters; inflorescences pedunculate, peduncles 20–35 mm long; fruits ellipsoid, dark brown or blackish, 9–12 mm long, 8–8.5 mm wide; Mackay to Maryborough"	"Ixora queenslandica"
3	"Inflorescences borne at apex of short axillary branchlets, subcapitate; bracts linear, pubescent"	"Ixora baileyana"
3	"Inflorescences terminal on the main branchlet, open paniculiform or comprised of corymbs and sub-umbels; bracts ovate or subulate, glabrous"	4
4	"Corolla red, orange or yellow, tube 20-45 mm long; inflorescences compact, corymbiform or umbelliform, with opposite articulate branches; bracteoles foliaceous"	"Ixora coccinea"
4	"Corolla white or cream, corolla 2–8 (–10) mm long; inflorescences open, loosely branched, paniculiform, with only the lower branches opposite and articulate; bracteoles minute or absent"	5
5	"Corolla tubes 20–30 mm long; calyx lobes 4–6 mm long; naturalised species"	"Ixora finlaysoniana"
5	"Corolla tubes 2–10 mm long; calyx lobes 0.1–1 mm long; native species"	6
6	"Inflorescences 8-20 cm long; leaf blades (11.5–) 15.7–23 cm long, (4.5–) 6.5–9 cm wide; corolla tubes densely pubescent apically; styles pubescent in the middle"	"Ixora timorensis"
6	"Inflorescences 2.5-4 cm long; leaf blades 6.5–13.5 cm long, 2.1–5.5 (–7) cm; bracts subtending the inflorescence branches stipule-like; corolla tubes glabrous inside; styles glabrous"	7
7	"Leaf blades 9–16 cm long, 3–7 cm wide; inflorescences on peduncles 5–7 mm long; corolla tubes 2–4.5 mm long, lobes obtuse; SE Qld"	"Ixora beckleri"
7	"Leaf blades 6.5–9.5 cm long, 2.1–3.1 cm wide; inflorescences sessile; corolla tubes 2.5–3 mm long, lobes acuminate; Wet Tropics"	"Ixora oreogena"