1	"Inflorescences 1–3-flowered, enclosed in a pair of large bracts"	2
1	"Inflorescences usually more than 3-flowered, never enclosed in a pair of large bracts"	3
2	"Leaves broadly elliptic; inflorescences sessile; fruits broadly ellipsoid, up to7-seeded, red; stigma 2–6-lobed, style hardly exceeding the corolla tube; anthers ovoid"	"Ixora biflora"
2	"Leaves narrowly elliptic; inflorescences pedunculate; fruits globose, 2- seeded, black; stigma 2-lobed, style long exserted from the corolla tube; anthers elongate, narrowly ovoid or lanceolate"	"Ixora queenslandica"
3	"Inflorescences borne at apex of short axillary branchlets, subcapitate; bracts linear, hairy"	"Ixora baileyana"
3	"Inflorescences terminal on the main branchlet, open paniculiform or comprised of corymbs and subumbels; bracts ovate or subulate, glabrous"	4
4	"Corolla red, orange or yellow, tube 20–45 mm long; inflorescences compact, corymbiform or umbelliform, much branched with opposite articulate branches; bracts and bracteoles foliaceous and well developed"	"Ixora coccinea"
4	"Corolla white or cream, corolla tube 2–8 (–10) mm long; inflorescences open, loosely branched, paniculiform, with only the lower branches usually opposite and articulate; bracts subtending the inflorescences showy or small, others minute; bracteoles minute or absent"	5
5	"Stipules shortly cuspidate; leaves (115–) 157–230 × (45–) 65–90 mm, base subcordate, obtuse or subacute; bracts subtending the three inflorescence branches showy or small; corolla tube densely hairy at mouth; style hairy in the middle; calyx and pedicels hairy or glabrous"	"Ixora timorensis"
5	"Stipules cuspidate with a long aristate awn; leaves 65–135 × 21–55 (–70) mm, base acute or obtuse; bracts subtending the inflorescence branches stipule-like; corolla tube glabrous inside; style, calyx and pedicels glabrous"	6
6	"Leaf lamina 95–135 × 35–70 cm; petioles 10–14 mm long; inflorescences shortly pedunculate (primary peduncle 5–7 (–12) mm long), ultimate cymules 3-flowered, middle flower sessile, lateral ones shortly pedicellate (pedicels 0.5–1.5 mm long); corolla tube 2–4.5 mm long, lobes obtuse"	"Ixora beckleri"
6	"Leaf lamina 65–95 × 21–31 cm; petioles 5–10 mm long; inflorescences sessile, ultimate cymules 2 or 3-flowered, one flower sessile, the others pedicellate (pedicels 2.5–3 mm long); corolla tube 7–8 mm long, lobes acuminate"	"Ixora oreogena"