1	"Ovary perfectly 2 or 3-locular with ovules 2 per locule at base of septa; septa connate, touching axially in fruit; valves of capsules crustaceous (formerly in Maytenus)"	2
1	"Ovary perfectly or imperfectly 2–5-locular with ovules 2–10 per locule, not confined to base of septa; septa touching near apex, base connate but otherwise not touching in axially in fruit, valves of capsules mostly woody (Denhamia in the original sense)"	7
2	"Aril thick, restricted to base of seed"	3
2	"Aril thin, surrounding at least half seed"	4
3	"Flowers 4-merous, disc c. 1 mm diameter"	"Denhamia disperma"
3	"Flowers 5-merous; disc c. 2.3 mm diameter"	"Denhamia muelleri"
4	"Flowers in fascicles"	"Denhamia fasciculiflora"
4	"Flowers in racemes"	5
5	"Leaves bright green concolorous or rarely discolorous, margins always entire, not recurved"	"Denhamia cunninghamii"
5	"Leaves discolorous, grey-green below, darker above; margins usually serrate, slightly recurved"	6
6	"Leaves narrowly lanceolate, narrowly ovate, obovate or oblanceolate, length:breadth 12–4.5:1, apices usually acuminate, mucronate or acute"	"Denhamia silvestris"
6	"Leaves broadly lanceolate, elliptic, ovate or obovate, length:breadth 3–2:1, apices usually obtuse to slightly acuminate"	"Denhamia bilocularis"
7	"Adult leaves serrate or serrulate, sometimes obscurely so"	8
7	"Adult leaves entire"	12
8	"Ovary perfectly 3–5-locular; capsule depressed-globular or slightly obovoid; septa connate axially in fruit"	"Denhamia pittosporoides"
8	"Ovary perfectly or imperfectly 3-locular; capsule ovoid; septa not connate axially in fruit"	9
9	"Capsule 2.7–5.5 cm long and walls 3–5 mm thick; style 1–1.5 mm long; lamina below thickly covered in waxy cuticle; petiole 5–13 mm long"	"Denhamia megacarpa"
9	"Capsule no greater than 2.4 cm long or walls no greater than 2 mm thick"	10
10	"Style to 0.3 mm long; lamina 0.5–3 cm long; petiole 0.6–1 mm long"	"Denhamia parvifolia"
10	"Style greater than 1 mm long; lamina > 3 cm long; petiole > 1 mm"	11
11	"Style 1.2–1.7 mm long; pedicel 1.7–3 mm long; lamina 3–9 cm long and 1.1–3.7 cm wide, petiole 1.5–4 mm long; capsule 1.6–2.4 cm long"	"Denhamia peninsularis"
11	"Style 2–2.5 mm long; pedicel to 1 mm long; lamina 4–12 cm long and 1–4.5 cm wide, petiole 2–5 mm long; capsule 1–1.7 cm long"	"Denhamia celastroides"
12	"Valves of capsules coriaceous; septa at least partially connate or touching axially"	"Denhamia moorei"
12	"Valves of capsule woody; septa not touching axially"	13
13	"Capsule valves 0.3–0.5 mm thick; petiole 0.6–1 mm long"	"Denhamia parvifolia"
13	"Capsule valves 0.9–5 mm thick; petiole 4–13 mm long"	14
14	"Filaments 0.5–1 mm long; style very short or obsolete; ovary with 6 ovules per carpel; capsule valves 3–3.5 mm thick"	"Denhamia obscura"
14	"Filaments > 1.3 mm; style 0.4–1.5 mm long; ovary with 8–10, rarely 6, ovules per carpel"	15
15	"Pedicels 4–11 mm long; lamina with a thick waxy cuticle on the abaxial surface; inflorescence a complex cyme; capsule 2.7–5.5 cm long and 3–5 mm thick; petals 4–5 mm long"	"Denhamia megacarpa"
15	"Pedicels no more than 4 mm long; lamina lacking a thick waxy cuticle on the abaxial surface; inflorescence a simple cyme or raceme; capsule no greater than 4.5 cm long or 3 mm thick"	16
16	"Petals 3–3.5 mm long; capsule ovoid, rarely obovoid, 15–28 mm long; inflorescence many-flowered"	"Denhamia oleaster"
16	"Petals 3.5–4.5 mm long; capsule fusiform or obovoid, 25–45 mm long; inflorescence 1–3-flowered"	"Denhamia viridissima"